技术标签: date character intervals 转载sas文章 integer alignment statistics
ABS(argument) |
returns absolute value |
DIM<n>(array-name) |
returns the number of elements in a one-dimensional array or the number of elements in a specified dimension of a multidimensional array. n specifies the dimension, in a multidimensional array, for which you want to know the the number of elements. |
DIM(array-name,bound-n) |
returns the number of elements in a one-dimensional array or the number of elements in the specified dimension of a multidimensional array bound-n specifies the dimension in a multidimensional array, for which you want to know the number of elements. |
HBOUND<n>(array-name) |
returns the upper bound of an array |
HBOUND(array-name,bound-n) |
returns the upper bound of an array |
LBOUND<n>(array-name) |
returns the lower bound of an array |
LBOUND(array-name,bound-n) |
returns the lower bound of an array |
MAX(argument,argument, ...) |
returns the largest value of the numeric arguments |
MIN(argument,argument, ...) |
returns the smallest value of the numeric arguments |
MOD(argument-1, argument-2) |
returns the remainder |
SIGN(argument) |
returns the sign of a value or 0 |
SQRT(argument) |
returns the square root |
BYTE(n) |
returns one character in the ASCII or EBCDIC collating sequence where nis an integer representing a specific ASCII or EBCDIC character |
COLLATE(start-position<,end-position>) | (start-position<,,length>) |
returns an ASCII or EBCDIC collating sequence character string |
COMPBL(source) |
removes multiple blanks between words in a character string |
COMPRESS(source<,characters-to-remove>) |
removes specific characters from a character string |
DEQUOTE(argument) |
removes quotation marks from a character value |
INDEX(source,excerpt) |
searches the source for the character string specified by the excerpt |
INDEXC(source,excerpt-1<, ... excerpt-n>) |
searches the source for any character present in the excerpt |
INDEXW(source,excerpt) |
searches the source for a specified pattern as a word |
LEFT(argument) |
left-aligns a SAS character string |
LENGTH(argument) |
returns the length of an argument |
LOWCASE(argument) |
converts all letters in an argument to lowercase |
QUOTE(argument) |
adds double quotation marks to a character value |
RANK(x) |
returns the position of a character in the ASCII or EBCDIC collating sequence |
REPEAT(argument,n) |
repeats a character expression |
REVERSE(argument) |
reverses a character expression |
RIGHT(argument) |
right-aligns a character expression |
SCAN(argument,n<,delimiters>) |
returns a given word from a character expression |
SOUNDEX(argument) |
encodes a string to facilitate searching |
SUBSTR(argument,position<,n>)=characters-to-replace |
replaces character value contents |
var=SUBSTR(argument,position<,n>) |
extracts a substring from an argument. (var is any valid SAS variable name.) |
TRANSLATE(source,to-1,from-1<,...to-n,from-n>) |
replaces specific characters in a character expression |
TRANWRD(source,target,replacement) |
replaces or removes all occurrences of a word in a character string |
TRIM(argument) |
removes trailing blanks from character expression and returns one blank if the expression is missing |
TRIMN(argument) |
removes trailing blanks from character expressions and returns a null string if the expression is missing |
UPCASE(argument) |
converts all letters in an argument to uppercase |
VERIFY(source,excerpt-1<,...excerpt-n) |
returns the position of the first character unique to an expression |
DATDIF(sdate,edate,basis) |
returns the number of days between two dates |
DATE() |
returns the current date as a SAS date value |
DATEJUL(julian-date) |
converts a Julian date to a SAS date value |
DATEPART(datetime) |
extracts the date from a SAS datetime value |
DATETIME() |
returns the current date and time of day |
DAY(date) |
returns the day of the month from a SAS date value |
DHMS(date,hour,minute,second) |
returns a SAS datetime value from date, hour, minute, and second |
HMS(hour,minute,second) |
returns a SAS time value from hour, minute, and second |
HOUR(<time | datetime>) |
returns the hour from a SAS time or datetime value |
INTCK('interval',from,to) |
returns the number of time intervals in a given time span |
INTNX('interval',start-from,increment<,'alignment'>) |
advances a date, time, or datetime value by a given interval, and returns a date, time, or datetime value |
JULDATE(date) |
returns the Julian date from a SAS date value |
MDY(month,day,year) |
returns a SAS date value from month, day, and year values |
MINUTE(time | datetime) |
returns the minute from a SAS time or datetime value |
MONTH(date) |
returns the month from a SAS date value |
QTR(date) |
returns the quarter of the year from a SAS date value |
SECOND(time | datetime) |
returns the second from a SAS time or datetime value |
TIME() |
returns the current time of day |
TIMEPART(datetime) |
extracts a time value from a SAS datetime value |
TODAY() |
returns the current date as a SAS date value |
WEEKDAY(date) |
returns the day of the week from a SAS date value |
YEAR(date) |
returns the year from a SAS date value |
YRDIF(sdate,edate,basis) |
returns the difference in years between two dates |
YYQ(year,quarter) |
returns a SAS date value from the year and quarter |
AIRY(x) |
returns the value of the AIRY function |
DAIRY(x) |
returns the derivative of the AIRY function |
DIGAMMA(argument) |
returns the value of the DIGAMMA function |
ERF(argument) |
returns the value of the (normal) error function |
ERFC(argument) |
returns the value of the (normal) error function |
EXP(argument) |
returns the value of the exponential function |
GAMMA(argument) |
returns the value of the GAMMA function |
IBESSEL(nu,x,kode) |
returns the value of the modified bessel function |
JBESSEL(nu,x) |
returns the value of the bessel function |
LGAMMA(argument) |
returns the natural logarithm of the GAMMA function |
LOG(argument) |
returns the natural (base e) logarithm |
LOG2(argument) |
returns the logarithm to the base 2 |
LOG10(argument) |
returns the logarithm to the base 10 |
TRIGAMMA(argument) |
returns the value of the TRIGAMMA function |
CNONCT(x,df,prob) |
returns the noncentrality parameter from a chi-squared distribution |
FNONCT(x,ndf,ddf,prob) |
returns the value of the noncentrality parameter of an F distribution |
TNONCT(x,df,prob) |
returns the value of the noncentrality parameter from the student's t distribution |
CDF('dist',quantile,parm-1,...,parm-k) |
computes cumulative distribution functions |
LOGPDF|LOGPMF('dist',quantile,parm-1,...,parm-k) |
computes the logarithm of a probability density (mass) function. The two functions are identical. |
LOGSDF('dist',quantile,parm-1,...,parm-k) |
computes the logarithm of a survival function |
PDF|PMF('dist',quantile,parm-1,...,parm-k) |
computes probability density (mass) functions |
POISSON(m,n) |
returns the probability from a POISSON distribution |
PROBBETA(x,a,b) |
returns the probability from a beta distribution |
PROBBNML(p,n,m) |
returns the probability from a binomial distribution |
PROBCHI(x,df<,nc>) |
returns the probability from a chi-squared distribution |
PROBF(x,ndf,ddf<,nc>) |
returns the probability from an F distribution |
PROBGAM(x,a) |
returns the probability from a gamma distribution |
PROBHYPR(N,K,n,x<,r>) |
returns the probability from a hypergeometric distribution |
PROBMC |
probabilities and critical values (quantiles) from various distributions for multiple comparisons of the means of several groups. |
PROBNEGB(p,n,m) |
returns the probability from a negative binomial distribution |
PROBBNRM(x,y,r) |
standardized bivariate normal distribution |
PROBNORM(x) |
returns the probability from the standard normal distribution |
PROBT(x,df<,nc>) |
returns the probability from a Student's t distribution |
SDF('dist',quantile,parm-1,...,parm-k) |
computes a survival function |
BETAINV(p,a,b) |
returns a quantile from the beta distribution |
CINV(p,df<,nc>) |
returns a quantile from the chi-squared distribution |
FINV(p,ndf,ddf<,nc>) |
returns a quantile from the F distribution |
GAMINV(p,a) |
returns a quantile from the gamma distribution |
PROBIT(p) |
returns a quantile from the standard normal distribution |
TINV(p,df<,nc>) |
returns a quantile from the t distribution |
CSS(argument,argument,...) |
returns the corrected sum of squares |
CV(argument,argument,...) |
returns the coefficient of variation |
KURTOSIS(argument,argument,...) |
returns the kurtosis (or 4th moment) |
MAX(argument,argument, ...) |
returns the largest value |
MIN(argument,argument, ...) |
returns the smallest value |
MEAN(argument,argument, ...) |
returns the arithmetic mean (average) |
MISSING(numeric-expression | character-expression) |
returns a numeric result that indicates whether the argument contains a missing value |
N(argument,argument, ....) |
returns the number of nonmissing values |
NMISS(argument,argument, ...) |
returns the number of missing values |
ORDINAL(count,argument,argument,...) |
returns the largest value of a part of a list |
RANGE(argument,argument,...) |
returns the range of values |
SKEWNESS(argument,argument,argument,...) |
returns the skewness |
STD(argument,argument,...) |
returns the standard deviation |
STDERR(argument,argument,...) |
returns the standard error of the mean |
SUM(argument,argument,...) |
returns the sum |
USS(argument,argument,...) |
returns the uncorrected sum of squares |
VAR(argument,argument,...) |
returns the variance |
FIPNAME(expression) |
converts FIPS codes to uppercase state names |
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FIPNAMEL(expression) |
converts FIPS codes to mixed case state names |
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FIPSTATE(expression) |
converts FIPS codes to two-character postal codes |
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STFIPS(postal-code) |
converts state postal codes to FIPS state codes |
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STNAME(postal-code) |
converts state postal codes to uppercase state names
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STNAMEL(postal-code) |
converts state postal codes to mixed case state names
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ZIPFIPS(zip-code) |
converts ZIP codes to FIPS state codes |
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ZIPNAME(zip-code) |
converts ZIP codes to uppercase state names |
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ZIPNAMEL(zip-code) |
converts ZIP codes to mixed case state names |
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ZIPSTATE(zip-code) |
converts ZIP codes to state postal codes |
ARCOS(argument) |
returns the arccosine |
ARSIN(argument) |
returns the arcsine |
ATAN(argument) |
returns the arctangent |
COS(argument) |
returns the cosine |
COSH(argument) |
returns the hyperbolic cosine |
SIN(argument) |
returns the sine |
SINH(argument) |
returns the hyperbolic sine |
TAN(argument) |
returns the tangent |
TANH(argument) |
returns the hyperbolic tangent |
CEIL(argument) |
returns the smallest integer that is greater than or equal to the argument |
FLOOR(argument) |
returns the largest integer that is less than or equal to the argument |
FUZZ(argument) |
returns the nearest integer if the argument is within 1E-12 |
INT(argument) |
returns the integer value |
ROUND(argument,round-off-unit) |
rounds to the nearest round-off unit |
TRUNC(number, length) |
truncates a numeric value to a specified length |
GETVARC(data-set-id,var-num) |
returns the value of a SAS data set character variable |
GETVARN(data-set-id,var-num) |
returns the value of a SAS data set numeric variable |
VARFMT(data-set-id,var-num) |
returns the format assigned to a SAS data set variable |
VARINFMT(data-set-id,var-num) |
returns the informat assigned to a SAS data set variable |
VARLABEL(data-set-id,var-num) |
returns the label assigned to a SAS data set variable |
VARLEN(data-set-id,var-num) |
returns the length of a SAS data set variable |
VARNAME(data-set-id,var-num) |
returns the name of a SAS data set variable |
VARNUM(data-set-id,var-name) |
returns the number of a SAS data set variable's position in a SAS data set |
VARRAY(name) |
returns a value that indicates whether the specified name is an array |
VARRAYX(expression) |
returns a value that indicates whether the value of the specified argument is an array |
VARTYPE(data-set-id,var-num) |
returns the data type of a SAS data set variable |
VFORMAT(var) |
returns the format associated with the given variable |
VFORMATD(var) |
returns the format decimal value associated with the given variable |
VFORMATDX(expression) |
returns the format decimal value associated with the value of the specified argument |
VFORMATN(var) |
returns the format name associated with the given variable |
VFORMATNX(expression) |
returns the format name associated with the value of the specified argument |
VFORMATW(var) |
returns the format width associated with the given variable |
VFORMATWX(expression) |
returns the format width associated with the value of the specified argument |
VFORMATX(expression) |
returns the format associated with the value of the specified argument |
VINARRAY(var) |
returns a value that indicates whether the given variable is a member of an array |
VINARRAYX(expression) |
returns a value that indicates whether the value of the specified argument is a member of an array |
VINFORMAT(var) |
returns the informat associated with the given variable |
VINFORMATD(var) |
returns the informat decimal value associated with the given variable |
VINFORMATDX(expression) |
returns the informat decimal value associated with the value of the specified argument |
VINFORMATN(var) |
returns the informat name associated with the given variable |
VINFORMATNX(expression) |
returns the informat name associated with the value of the specified argument |
VINFORMATW(var) |
returns the informat width associated with the given variable |
VINFORMATWX(expression) |
returns the informat width associated with the value of the specified argument |
VINFORMATX(expression) |
returns the informat associated with the value of the specified argument |
VLABEL(var) |
returns the label associated with the given variable |
VLABELX(expression) |
returns the variable label for the value of a specified argument |
VLENGTH(var) |
returns the compile-time (allocated) size of the given variable |
VLENGTHX(expression) |
returns the compile-time (allocated) size for the value of the specified argument |
VNAME(var) |
returns the name of the given variable |
VNAMEX(expression) |
validates the value of the specified argument as a variable name |
VTYPE(var) |
returns the type (character or numeric) of the given variable |
VTYPEX(expression) |
returns the type (character or numeric) for the value of the specified argument |
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