May 26, 2021 22:00 0 Comment SAS
Why do we use SAS?, Why do we use SAS?, SAS software type, SAS library, SAS, is a statistical, analysis software., I, t was created by the SAS Software Institute in 1960. F, rom January 1, 1960, SAS was used for data manag
May 26, 2021 22:00 0 Comment SAS
SAS program structure, SAS program structure, DATA steps, PROC steps, The output step, Complete SAS program, The program output, Programming SAS first requires creating/reading the dataset to memory and then analyzing the data. W, e need to understand the process in which one of
May 26, 2021 22:00 0 Comment SAS
SAS statement, SAS statement, The name of the SAS variable, SAS dataset, SAS file extension, Comments in SAS, Like any other programming language, the SAS language has its own syntax rules to create SAS programs. T, he three components of any SAS scenario -, d
May 26, 2021 22:00 0 Comment SAS
SAS built-in dataset, SAS built-in dataset, Import an external dataset, The data that the SAS program can use for analysis is called an SAS dataset. I, t was created using the DATA step. S, AS can read various files as its
May 26, 2021 23:00 0 Comment SAS
The SAS variable type, The SAS variable type, Use variables in SAS programs, Use variables, In general, a variable in SAS represents the column name of the data table it is analyzing. B, ut it can also be used for other purposes, such as usin
May 26, 2021 23:00 0 Comment SAS
Declares a string variable, Declares a string variable, String function, SUBSTRN, Strings in SAS are values enclosed in a pair of single quotes. S, tring variables are also declared by adding a space and $sign at the end of the vari
May 26, 2021 23:00 0 Comment SAS
Syntactic, Syntactic, Read the number format, Displays the number format, Example, SAS can handle a variety of digital data formats. I, t uses these formats at the end of the variable name to apply a specific number format to the dat
May 26, 2021 23:00 0 Comment SAS
Arithmetic operator, Arithmetic operator, The logical operator, Comparison operator, Min/Max operator, The connection operator, Operator priority, Operators in SAS are symbols used in mathematical, logical, or comparison expressions., These symbols are built into the SAS language, and many operat
May 26, 2021 23:00 0 Comment SAS
SAS decisions, The decision structure requires the programmer to specify one or more conditions to evaluate or test by the program, and one or more statements to exe
May 26, 2021 23:00 0 Comment SAS
Functional classification, Functional classification, Mathematical functions, Date and time functions, Character function, Truncation function, Other features, SAS has a variety of built-in functions to help analyze and process data. T, hese functions are used as part of the DATA statement. T, hey take the da
May 26, 2021 23:00 0 Comment SAS
List input method, List input method, Name the input method, Column input method, Format the input method (the only way an input statement can read non-standard data)., The input method is used to read the original data. T, he original data can come from an external source or from a streaming data. T, he input stateme
May 27, 2021 00:00 0 Comment SAS
Cases, Cases, Cases, Dates in SAS are calculated in a special way, with January 1, 1960 as the center point, with a date of 0, a date of 1 for the next date, and so on. T,