(1)intnx function; nextdt = intnx('Interval', start,n_interval); /* 从开始dt返回间隔数的日期 */ (2)intck function; intvl = intck('Interval', from, to); /* 返回给定时间跨度内的时间间隔数*/ (3)datepart function; date=datepart(sasdt); /* 从SAS日期时间值中提取日期 */ (4)timepart...
逻辑表达式的计算结果通常是一个布尔值,在 SAS 中,若表达式结果为 “真”,则运算结果为 1,若为 “假” ,则运算结果为 0。这一特性使得我们可以将逻辑表达式嵌套在算数表达式中,更进一步地说,这其实可以看成指示函数(Indicator function)的一种形...
The LENGTH function returns an integer that represents the position of the rightmost non-blank character in string. If the value of string is blank, LENGTH returns a value of 1. If string is a numeric constant, variable, or expression_r(either initialized...
substring:is a character constant, variable, or expression that specifies the substring of characters to count in string. modifiers:修饰符,i/t,i表示忽略大小写,t表示减除首尾空格。可选。 148 data xaa; 149 ucs = count('function','n'); 150 lcs = count('EXAMPLE','e','i'); 151 pcs ...
IsNull()) { defDescription = false; } theDescription = aDescription; } //=== //function : RelatingGeneralProperty //purpose : //=== Handle(StepBasic_GeneralProperty) StepBasic_GeneralPropertyRelationship::RelatingGeneralProperty() const { return theRelatingGeneralProperty; } //===...
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function generateSasToken($uri, $sasKeyName, $sasKeyValue) { $targetUri = strtolower(rawurlencode(strtolower($uri))); $expires = time(); $expiresInMins = 60; $week = 60*60*24*7; $expires = $expires + $week; $toSign = $targetUri . "\n" . $expires; $signature = rawurlencode(ba...
protected T getQueryParameter(Map parameters, String name, boolean remove, Function converter) Deprecated Please use SasSignatureValues Helper method to get a query parameter Parameters: parameters - A Map of parameters to values to search. name - The name of parameter to find. remove - ...
(FDB) and returns a value FREWIND Positions the file pointer to the start of the file and returns a value FRLEN Returns the size of the last record read, or, if the file is opened for output, returns the current record size FSEP Sets the token delimiters for the FGET function and ...
【例2】procsql outobs=10;selectsum(boarded, transferred, nonrevenue)asTotalfromsasuser.marchflights;/*由于summary function(sum)包含了多个参数,因此结果中每一行都计算了作用于多列参数的统计量。在这里,输出了一列10行的数据集,每一行是这三列的值的和*/ ...