 List for SAS fans and programmer # 22 11月 10 最全的SAS9.2函数列表一

SAS提供了大量的内置函数，并且在数量和内容上不断的发展改进，从版本9.2开始还提供了自定义函数功能。使用合适的函数，将会使你的工作效率加倍。2008年我在SASor论坛上贴了一个SAS9.2新增函数的列表，具体见论坛帖子；2009年我曾经在技术博客上对SAS函数做了比较深入的讨论，对SAS函数从版本6到版本9.2进行了细致的综述，详见，并在SAS爱好者上海聚会分享了这一内容，当时的PPT见“SAS函数和CALL 例程的发展”。

Character 字符函数

 CALL IS8601_CONVERT Routine Converts an ISO 8601 interval to datetime and duration values, or converts datetime and duration values to an ISO 8601 interval. DATDIF Function Returns the number of days between two dates. DATE Function Returns the current date as a SAS date value. DATEJUL Function Converts a Julian date to a SAS date value. DATEPART Function Extracts the date from a SAS datetime value. DATETIME Function Returns the current date and time of day as a SAS datetime value. DAY Function Returns the day of the month from a SAS date value. DHMS Function Returns a SAS datetime value from date, hour, minute, and second values. HMS Function Returns a SAS time value from hour, minute, and second values. HOLIDAY Function Returns a SAS date value of a specified holiday for a specified year. HOUR Function Returns the hour from a SAS time or datetime value. INTCINDEX Function Returns the cycle index when a date, time, or datetime interval and value are specified. INTCK Function Returns the count of the number of interval boundaries between two dates, two times, or two datetime values. INTCYCLE Function Returns the date, time, or datetime interval at the next higher seasonal cycle when a date, time, or datetime interval is specified. INTFIT Function Returns a time interval that is aligned between two dates. INTFMT Function Returns a recommended SAS format when a date, time, or datetime interval is specified. INTGET Function Returns a time interval based on three date or datetime values. INTINDEX Function Returns the seasonal index when a date, time, or datetime interval and value are specified. INTNX Function Increments a date, time, or datetime value by a given time interval, and returns a date, time, or datetime value. INTSEAS Function Returns the length of the seasonal cycle when a date, time, or datetime interval is specified. INTSHIFT Function Returns the shift interval that corresponds to the base interval. INTTEST Function Returns 1 if a time interval is valid, and returns 0 if a time interval is invalid. JULDATE Function Returns the Julian date from a SAS date value. JULDATE7 Function Returns a seven-digit Julian date from a SAS date value. MDY Function Returns a SAS date value from month, day, and year values. MINUTE Function Returns the minute from a SAS time or datetime value. MONTH Function Returns the month from a SAS date value. NWKDOM Function Returns the date for the nth occurrence of a weekday for the specified month and year. QTR Function Returns the quarter of the year from a SAS date value. SECOND Function Returns the second from a SAS time or datetime value. TIME Function Returns the current time of day as a numeric SAS time value. TIMEPART Function Extracts a time value from a SAS datetime value. TODAY Function Returns the current date as a numeric SAS date value. WEEK Function Returns the week-number value. WEEKDAY Function From a SAS date value, returns an integer that corresponds to the day of the week. YEAR Function Returns the year from a SAS date value. YRDIF Function Returns the difference in years between two dates. YYQ Function Returns a SAS date value from year and quarter year values.

 CMISS Function Counts the number of missing arguments. CSS Function Returns the corrected sum of squares. CV Function Returns the coefficient of variation. EUCLID Function Returns the Euclidean norm of the non-missing arguments. GEOMEAN Function Returns the geometric mean. GEOMEANZ Function Returns the geometric mean, using zero fuzzing. HARMEAN Function Returns the harmonic mean. HARMEANZ Function Returns the harmonic mean, using zero fuzzing. IQR Function Returns the interquartile range. KURTOSIS Function Returns the kurtosis. LARGEST Function Returns the kth largest non-missing value. LPNORM Function Returns the Lp norm of the second argument and subsequent non-missing arguments. MAD Function Returns the median absolute deviation from the median. MAX Function Returns the largest value. MEAN Function Returns the arithmetic mean (average). MEDIAN Function Returns the median value. MIN Function Returns the smallest value. MISSING Function Returns a numeric result that indicates whether the argument contains a missing value. N Function Returns the number of non-missing numeric values. NMISS Function Returns the number of missing numeric values. ORDINAL Function Returns the kth smallest of the missing and nonmissing values. PCTL Function Returns the percentile that corresponds to the percentage. RANGE Function Returns the range of the nonmissing values. RMS Function Returns the root mean square of the nonmissing arguments. SKEWNESS Function Returns the skewness of the nonmissing arguments. SMALLEST Function Returns the kth smallest nonmissing value. STD Function Returns the standard deviation of the nonmissing arguments. STDERR Function Returns the standard error of the mean of the nonmissing arguments. SUM Function Returns the sum of the nonmissing arguments. SUMABS Function Returns the sum of the absolute values of the non-missing arguments. USS Function Returns the uncorrected sum of squares of the nonmissing arguments. VAR Function Returns the variance of the nonmissing arguments.

 ABS Function Returns the absolute value. AIRY Function Returns the value of the Airy function. BETA Function Returns the value of the beta function. CALL LOGISTIC Routine Applies the logistic function to each argument. CALL SOFTMAX Routine Returns the softmax value. CALL STDIZE Routine Standardizes the values of one or more variables. CALL TANH Routine Returns the hyperbolic tangent. CNONCT Function Returns the noncentrality parameter from a chi-square distribution. COALESCE Function Returns the first non-missing value from a list of numeric arguments. CONSTANT Function Computes machine and mathematical constants. DAIRY Function Returns the derivative of the AIRY function. DEVIANCE Function Returns the deviance based on a probability distribution. DIGAMMA Function Returns the value of the digamma function. ERF Function Returns the value of the (normal) error function. ERFC Function Returns the value of the complementary (normal) error function. EXP Function Returns the value of the exponential function. FACT Function Computes a factorial. FNONCT Function Returns the value of the noncentrality parameter of an F distribution. GAMMA Function Returns the value of the gamma function. GCD Function Returns the greatest common divisor for one or more integers. IBESSEL Function Returns the value of the modified Bessel function. JBESSEL Function Returns the value of the Bessel function. LCM Function Returns the least common multiple. LGAMMA Function Returns the natural logarithm of the Gamma function. LOG Function Returns the natural (base e) logarithm. LOG1PX Function Returns the log of 1 plus the argument. LOG10 Function Returns the logarithm to the base 10. LOG2 Function Returns the logarithm to the base 2. LOGBETA Function Returns the logarithm of the beta function. MOD Function Returns the remainder from the division of the first argument by the second argument, fuzzed to avoid most unexpected floating-point results. MODZ Function Returns the remainder from the division of the first argument by the second argument, using zero fuzzing. MSPLINT Function Returns the ordinate of a monotonicity-preserving interpolating spline. SIGN Function Returns the sign of a value. SQRT Function Returns the square root of a value. TNONCT Function Returns the value of the noncentrality parameter from the Student’s t distribution. TRIGAMMA Function Returns the value of the trigamma function.

 CDF Function Returns a value from a cumulative probability distribution. LOGCDF Function Returns the logarithm of a left cumulative distribution function. LOGPDF Function Returns the logarithm of a probability density (mass) function. LOGSDF Function Returns the logarithm of a survival function. PDF Function Returns a value from a probability density (mass) distribution. POISSON Function Returns the probability from a Poisson distribution. PROBBETA Function Returns the probability from a beta distribution. PROBBNML Function Returns the probability from a binomial distribution. PROBBNRM Function Returns a probability from a bivariate normal distribution. PROBCHI Function Returns the probability from a chi-square distribution. PROBF Function Returns the probability from an F distribution. PROBGAM Function Returns the probability from a gamma distribution. PROBHYPR Function Returns the probability from a hypergeometric distribution. PROBMC Function Returns a probability or a quantile from various distributions for multiple comparisons of means. PROBNEGB Function Returns the probability from a negative binomial distribution. PROBNORM Function Returns the probability from the standard normal distribution. PROBT Function Returns the probability from a t distribution. SDF Function Returns a survival function.

 BAND Function Returns the bitwise logical AND of two arguments. BLSHIFT Function Returns the bitwise logical left shift of two arguments. BNOT Function Returns the bitwise logical NOT of an argument. BOR Function Returns the bitwise logical OR of two arguments. BRSHIFT Function Returns the bitwise logical right shift of two arguments. BXOR Function Returns the bitwise logical EXCLUSIVE OR of two arguments.

 DIM Function Returns the number of elements in an array. HBOUND Function Returns the upper bound of an array. LBOUND Function Returns the lower bound of an array.

 CALL PRXCHANGE Routine Performs a pattern-matching replacement. CALL PRXDEBUG Routine Enables Perl regular expressions in a DATA step to send debugging output to the SAS log. CALL PRXFREE Routine Frees memory that was allocated for a Perl regular expression. CALL PRXNEXT Routine Returns the position and length of a substring that matches a pattern, and iterates over multiple matches within one string. CALL PRXPOSN Routine Returns the start position and length for a capture buffer. CALL PRXSUBSTR Routine Returns the position and length of a substring that matches a pattern. PRXCHANGE Function Performs a pattern-matching replacement. PRXMATCH Function Searches for a pattern match and returns the position at which the pattern is found. PRXPAREN Function Returns the last bracket match for which there is a match in a pattern. PRXPARSE Function Compiles a Perl regular expression (PRX) that can be used for pattern matching of a character value. PRXPOSN Function Returns a character string that contains the value for a capture buffer.

 ALLCOMB Function Generates all combinations of the values of n variables taken k at a time in a minimal change order. ALLPERM Function Generates all permutations of the values of several variables in a minimal change order. CALL ALLCOMB Routine Generates all combinations of the values of n variables taken k at a time in a minimal change order. CALL ALLCOMBI Routine Generates all combinations of the indices of n objects taken k at a time in a minimal change order. CALL ALLPERM Routine Generates all permutations of the values of several variables in a minimal change order. CALL GRAYCODE Routine Generates all subsets of n items in a minimal change order. CALL LEXCOMB Routine Generates all distinct combinations of the non-missing values of n variables taken k at a time in lexicographic order. CALL LEXCOMBI Routine Generates all combinations of the indices of n objects taken k at a time in lexicographic order. CALL LEXPERK Routine Generates all distinct permutations of the non-missing values of n variables taken k at a time in lexicographic order. CALL LEXPERM Routine Generates all distinct permutations of the non-missing values of several variables in lexicographic order. CALL RANPERK Routine Randomly permutes the values of the arguments, and returns a permutation of k out of n values. CALL RANPERM Routine Randomly permutes the values of the arguments. COMB Function Computes the number of combinations of n elements taken r at a time. GRAYCODE Function Generates all subsets of n items in a minimal change order. LCOMB Function Computes the logarithm of the COMB function; that is, the logarithm of the number of combinations of n objects taken r at a time. LEXCOMB Function Generates all distinct combinations of the non-missing values of n variables taken k at a time in lexicographic order. LEXCOMBI Function Generates all combinations of the indices of n objects taken k at a time in lexicographic order. LEXPERK Function Generates all distinct permutations of the non-missing values of n variables taken k at a time in lexicographic order. LEXPERM Function Generates all distinct permutations of the non-missing values of several variables in lexicographic order. LFACT Function Computes the logarithm of the FACT (factorial) function. LPERM Function Computes the logarithm of the PERM function; that is, the logarithm of the number of permutations of n objects, with the option of including r number of elements. PERM Function Computes the number of permutations of n items that are taken r at a time.

 ARCOSH Function Returns the inverse hyperbolic cosine. ARSINH Function Returns the inverse hyperbolic sine. ARTANH Function Returns the inverse hyperbolic tangent. COSH Function Returns the hyperbolic cosine. SINH Function Returns the hyperbolic sine. TANH Function Returns the hyperbolic tangent.

 CALL EXECUTE Routine Resolves the argument, and issues the resolved value for execution at the next step boundary. CALL SYMPUT Routine Assigns DATA step information to a macro variable. CALL SYMPUTX Routine Assigns a value to a macro variable, and removes both leading and trailing blanks. RESOLVE Function Returns the resolved value of the argument after it has been processed by the macro facility. SYMEXIST Function Returns an indication of the existence of a macro variable. SYMGET Function Returns the value of a macro variable during DATA step execution. SYMGLOBL Function Returns an indication of whether a macro variable is in global scope to the DATA step during DATA step execution. SYMLOCAL Function Returns an indication of whether a macro variable is in local scope to the DATA step during DATA step execution.

 BETAINV Function Returns a quantile from the beta distribution. CINV Function Returns a quantile from the chi-square distribution. FINV Function Returns a quantile from the F distribution. GAMINV Function Returns a quantile from the gamma distribution. PROBIT Function Returns a quantile from the standard normal distribution. QUANTILE Function Returns the quantile from a distribution that you specify. TINV Function Returns a quantile from the t distribution.

 WHICHC Function Searches for a character value that is equal to the first argument, and returns the index of the first matching value. WHICHN Function Searches for a numeric value that is equal to the first argument, and returns the index of the first matching value.

 CALL SORTC Routine Sorts the values of character arguments. CALL SORTN Routine Sorts the values of numeric arguments.

 CALL MODULE Routine Calls an external routine without any return code. MODULEC Function Calls an external routine and returns a character value. MODULEN Function Calls an external routine and returns a numeric value.

 ARCOS Function Returns the arccosine. ARSIN Function Returns the arcsine. ATAN Function Returns the arc tangent. ATAN2 Function Returns the arc tangent of the ratio of two numeric variables. COS Function Returns the cosine. SIN Function Returns the sine. TAN Function Returns the tangent.

 CEIL Function Returns the smallest integer that is greater than or equal to the argument, fuzzed to avoid unexpected floating-point results. CEILZ Function Returns the smallest integer that is greater than or equal to the argument, using zero fuzzing. FLOOR Function Returns the largest integer that is less than or equal to the argument, fuzzed to avoid unexpected floating-point results. FLOORZ Function Returns the largest integer that is less than or equal to the argument, using zero fuzzing. FUZZ Function Returns the nearest integer if the argument is within 1E-12 of that integer. INT Function Returns the integer value, fuzzed to avoid unexpected floating-point results. INTZ Function Returns the integer portion of the argument, using zero fuzzing. ROUND Function Rounds the first argument to the nearest multiple of the second argument, or to the nearest integer when the second argument is omitted. ROUNDE Function Rounds the first argument to the nearest multiple of the second argument, and returns an even multiple when the first argument is halfway between the two nearest multiples. ROUNDZ Function Rounds the first argument to the nearest multiple of the second argument, using zero fuzzing. TRUNC Function Truncates a numeric value to a specified number of bytes.

 CALL LABEL Routine Assigns a variable label to a specified character variable. CALL SET Routine Links SAS data set variables to DATA step or macro variables that have the same name and data type. CALL VNAME Routine Assigns a variable name as the value of a specified variable.

 DIVIDE Returns the result of a division that handles special missing values for ODS output.

 IFN Function Returns a numeric value based on whether an expression is true, false, or missing.

 HTMLDECODE Function Decodes a string that contains HTML numeric character references or HTML character entity references, and returns the decoded string. HTMLENCODE Function Encodes characters using HTML character entity references, and returns the encoded string. URLDECODE Function Returns a string that was decoded using the URL escape syntax. URLENCODE Function Returns a string that was encoded using the URL escape syntax.

 DCLOSE Function Closes a directory that was opened by the DOPEN function. DCREATE Function Returns the complete pathname of a new, external directory. DINFO Function Returns information about a directory. DNUM Function Returns the number of members in a directory. DOPEN Function Opens a directory, and returns a directory identifier value. DOPTNAME Function Returns directory attribute information. DOPTNUM Function Returns the number of information items that are available for a directory. DREAD Function Returns the name of a directory member. DROPNOTE Function Deletes a note marker from a SAS data set or an external file. FAPPEND Function Appends the current record to the end of an external file. FCLOSE Function Closes an external file, directory, or directory member. FCOL Function Returns the current column position in the File Data Buffer (FDB). FDELETE Function Deletes an external file or an empty directory. FEXIST Function Verifies the existence of an external file that is associated with a fileref. FGET Function Copies data from the File Data Buffer (FDB) into a variable. FILEEXIST Function Verifies the existence of an external file by its physical name. FILENAME Function Assigns or deassigns a fileref to an external file, directory, or output device. FILEREF Function Verifies whether a fileref has been assigned for the current SAS session. FINFO Function Returns the value of a file information item. FNOTE Function Identifies the last record that was read, and returns a value that the FPOINT function can use. FOPEN Function Opens an external file and returns a file identifier value. FOPTNAME Function Returns the name of an item of information about a file. FOPTNUM Function Returns the number of information items that are available for an external file. FPOINT Function Positions the read pointer on the next record to be read. FPOS Function Sets the position of the column pointer in the File Data Buffer (FDB). FPUT Function Moves data to the File Data Buffer (FDB) of an external file, starting at the FDB’s current column position. FREAD Function Reads a record from an external file into the File Data Buffer (FDB). FREWIND Function Positions the file pointer to the start of the file. FRLEN Function Returns the size of the last record that was read, or, if the file is opened for output, returns the current record size. FSEP Function Sets the token delimiters for the FGET function. FWRITE Function Writes a record to an external file. MOPEN Function Opens a file by directory ID and member name, and returns either the file identifier or a 0. PATHNAME Function Returns the physical name of an external file or a SAS library, or returns a blank. RENAME Function Renames a member of a SAS library, an entry in a SAS catalog, an external file, or a directory. SYSMSG Function Returns error or warning message text from processing the last data set or external file function. SYSRC Function Returns a system error number.

 BLACKCLPRC Function Calculates call prices for European options on futures, based on the Black model. BLACKPTPRC Function Calculates put prices for European options on futures, based on the Black model. BLKSHCLPRC Function Calculates call prices for European options on stocks, based on the Black-Scholes model. BLKSHPTPRC Function Calculates put prices for European options on stocks, based on the Black-Scholes model. COMPOUND Function Returns compound interest parameters. CONVX Function Returns the convexity for an enumerated cash flow. CONVXP Function Returns the convexity for a periodic cash flow stream, such as a bond. DACCDB Function Returns the accumulated declining balance depreciation. DACCDBSL Function Returns the accumulated declining balance with conversion to a straight-line depreciation. DACCSL Function Returns the accumulated straight-line depreciation. DACCSYD Function Returns the accumulated sum-of-years-digits depreciation. DACCTAB Function Returns the accumulated depreciation from specified tables. DEPDB Function Returns the declining balance depreciation. DEPDBSL Function Returns the declining balance with conversion to a straight-line depreciation. DEPSL Function Returns the straight-line depreciation. DEPSYD Function Returns the sum-of-years-digits depreciation. DEPTAB Function Returns the depreciation from specified tables. DUR Function Returns the modified duration for an enumerated cash flow. DURP Function Returns the modified duration for a periodic cash flow stream, such as a bond. FINANCE Function Computes financial calculations such as depreciation, maturation, accrued interest, net present value, periodic savings, and internal rates of return. GARKHCLPRC Function Calculates call prices for European options on stocks, based on the Garman-Kohlhagen model. GARKHPTPRC Function Calculates put prices for European options on stocks, based on the Garman-Kohlhagen model. INTRR Function Returns the internal rate of return as a fraction. IRR Function Returns the internal rate of return as a percentage. MARGRCLPRC Function Calculates call prices for European options on stocks, based on the Margrabe model. MARGRPTPRC Function Calculates put prices for European options on stocks, based on the Margrabe model. MORT Function Returns amortization parameters. NETPV Function Returns the net present value as a fraction. NPV Function Returns the net present value with the rate expressed as a percentage. PVP Function Returns the present value for a periodic cash flow stream (such as a bond), with repayment of principal at maturity. SAVING Function Returns the future value of a periodic saving. YIELDP Function Returns the yield-to-maturity for a periodic cash flow stream, such as a bond.

 CALL RANBIN Routine Returns a random variate from a binomial distribution. CALL RANCAU Routine Returns a random variate from a Cauchy distribution. CALL RANEXP Routine Returns a random variate from an exponential distribution. CALL RANGAM Routine Returns a random variate from a gamma distribution. CALL RANNOR Routine Returns a random variate from a normal distribution. CALL RANPOI Routine Returns a random variate from a Poisson distribution. CALL RANTBL Routine Returns a random variate from a tabled probability distribution. CALL RANTRI Routine Returns a random variate from a triangular distribution. CALL RANUNI Routine Returns a random variate from a uniform distribution. CALL STREAMINIT Routine Specifies a seed value to use for subsequent random number generation by the RAND function. NORMAL Function Returns a random variate from a normal, or Gaussian, distribution. RANBIN Function Returns a random variate from a binomial distribution. RANCAU Function Returns a random variate from a Cauchy distribution. RAND Function Generates random numbers from a distribution that you specify. RANEXP Function Returns a random variate from an exponential distribution. RANGAM Function Returns a random variate from a gamma distribution. RANNOR Function Returns a random variate from a normal distribution. RANPOI Function Returns a random variate from a Poisson distribution. RANTBL Function Returns a random variate from a tabled probability distribution. RANTRI Function Returns a random variate from a triangular distribution. RANUNI Function Returns a random variate from a uniform distribution. UNIFORM Function Returns a random variate from a uniform distribution.

SAS文件IO函数 SAS File I/O

 ATTRC Function Returns the value of a character attribute for a SAS data set. ATTRN Function Returns the value of a numeric attribute for a SAS data set. CEXIST Function Verifies the existence of a SAS catalog or SAS catalog entry. CLOSE Function Closes a SAS data set. CUROBS Function Returns the observation number of the current observation. DROPNOTE Function Deletes a note marker from a SAS data set or an external file. DSNAME Function Returns the SAS data set name that is associated with a data set identifier. ENVLEN Function Returns the length of an environment variable. EXIST Function Verifies the existence of a SAS library member. FETCH Function Reads the next non-deleted observation from a SAS data set into the Data Set Data Vector (DDV). FETCHOBS Function Reads a specified observation from a SAS data set into the Data Set Data Vector (DDV). GETVARC Function Returns the value of a SAS data set character variable. GETVARN Function Returns the value of a SAS data set numeric variable. IORCMSG Function Returns a formatted error message for _IORC_. LIBNAME Function Assigns or deassigns a libref for a SAS library. LIBREF Function Verifies that a libref has been assigned. NOTE Function Returns an observation ID for the current observation of a SAS data set. OPEN Function Opens a SAS data set. PATHNAME Function Returns the physical name of an external file or a SAS library, or returns a blank. POINT Function Locates an observation that is identified by the NOTE function. RENAME Function Renames a member of a SAS library, an entry in a SAS catalog, an external file, or a directory. REWIND Function Positions the data set pointer at the beginning of a SAS data set. SYSMSG Function Returns error or warning message text from processing the last data set or external file function. SYSRC Function Returns a system error number. VARFMT Function Returns the format that is assigned to a SAS data set variable. VARINFMT Function Returns the informat that is assigned to a SAS data set variable. VARLABEL Function Returns the label that is assigned to a SAS data set variable. VARLEN Function Returns the length of a SAS data set variable. VARNAME Function Returns the name of a SAS data set variable. VARNUM Function Returns the number of a variable’s position in a SAS data set. VARTYPE Function Returns the data type of a SAS data set variable.

 CALL VNEXT Routine Returns the name, type, and length of a variable that is used in a DATA step. VARRAY Function Returns a value that indicates whether the specified name is an array. VARRAYX Function Returns a value that indicates whether the value of the specified argument is an array. VFORMAT Function Returns the format that is associated with the specified variable. VFORMATD Function Returns the decimal value of the format that is associated with the specified variable. VFORMATDX Function Returns the decimal value of the format that is associated with the value of the specified argument. VFORMATN Function Returns the format name that is associated with the specified variable. VFORMATNX Function Returns the format name that is associated with the value of the specified argument. VFORMATW Function Returns the format width that is associated with the specified variable. VFORMATWX Function Returns the format width that is associated with the value of the specified argument. VFORMATX Function Returns the format that is associated with the value of the specified argument. VINARRAY Function Returns a value that indicates whether the specified variable is a member of an array. VINARRAYX Function Returns a value that indicates whether the value of the specified argument is a member of an array. VINFORMAT Function Returns the informat that is associated with the specified variable. VINFORMATD Function Returns the decimal value of the informat that is associated with the specified variable. VINFORMATDX Function Returns the decimal value of the informat that is associated with the value of the specified variable. VINFORMATN Function Returns the informat name that is associated with the specified variable. VINFORMATNX Function Returns the informat name that is associated with the value of the specified argument. VINFORMATW Function Returns the informat width that is associated with the specified variable. VINFORMATWX Function Returns the informat width that is associated with the value of the specified argument. VINFORMATX Function Returns the informat that is associated with the value of the specified argument. VLABEL Function Returns the label that is associated with the specified variable. VLABELX Function Returns the label that is associated with the value of the specified argument. VLENGTH Function Returns the compile-time (allocated) size of the specified variable. VLENGTHX Function Returns the compile-time (allocated) size for the variable that has a name that is the same as the value of the argument. VNAME Function Returns the name of the specified variable. VNAMEX Function Validates the value of the specified argument as a variable name. VTYPE Function Returns the type (character or numeric) of the specified variable. VTYPEX Function Returns the type (character or numeric) for the value of the specified argument. VVALUE Function Returns the formatted value that is associated with the variable that you specify. VVALUEX Function Returns the formatted value that is associated with the argument that you specify.

 函数名 作用 Distance 距离函数 GEODIST Function Returns the geodetic distance between two latitude and longitude coordinates. ZIPCITYDISTANCE Function Returns the geodetic distance between two zip code locations. State and Zip Code 州和邮政编码 FIPNAME Function Converts two-digit FIPS codes to uppercase state names. FIPNAMEL Function Converts two-digit FIPS codes to mixed case state names. FIPSTATE Function Converts two-digit FIPS codes to two-character state postal codes. STFIPS Function Converts state postal codes to FIPS state codes. STNAME Function Converts state postal codes to uppercase state names. STNAMEL Function Converts state postal codes to mixed case state names. ZIPCITY Function Returns a city name and the two-character postal code that corresponds to a zip code. ZIPCITYDISTANCE Function Returns the geodetic distance between two zip code locations. ZIPFIPS Function Converts zip codes to two-digit FIPS codes. ZIPNAME Function Converts zip codes to uppercase state names. ZIPNAMEL Function Converts zip codes to mixed case state names. ZIPSTATE Function Converts zip codes to two-character state postal codes.

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