Graph: Refers to the individual output that is created by the procedure. In most of the common use cases, each execution of the procedure creates one graph output file. Often these procedures produce multiple output files (for BY variable usage, or paging of large panels), each of which is...
多重回归 multipleregressionmultiplelinearregression 因变量 dependentvariableresponsevariable(响应变量)自变量 independentvariableexplanatoryvariable(解释变量)5/70 回归模型 因变量y,自变量为x1,x2,,xm ˆab1x1b2x2y bmxm a为截距(intercept...
SET reads all variables and all observations from the input data sets unless you tell SAS to do otherwise. A SET statement can contain multiple data sets; a DATA step can contain multiple SET statements. 2. RETAIN的作用:对于数据集中新声明的变量,SAS会在data步循环执行开始时将其置为空值,而如...
输出的结果如下:Dependent Variable: sales Sum of Source DF Squares Mean Square F Value Pr F Model 7 1552. 221. 2.43 0.0842 Error 12 1093. 91. Corrected Total 19 2646. R-Square Coeff Var Root MSE sales Mean 0. 23.45440 9. 40.70000 Source DF Anova SS Mean Square F Value Pr F design...
SAS tip: Use the hyphen and colon operators to specify multiple data sets on the SET statement Here's a SAS tip for you. Most SAS programmers know that SAS provides syntax that makes it easy to specify a list of variables. For example, you can use the hyphen and colon operators to ...
COMPARE Function Returns the position of the leftmost character by which two strings differ, or returns 0 if there is no difference. COMPBL Function Removes multiple blanks from a character string. COMPGED Function Returns the generalized edit distance between two strings. COMPLEV Function Return...
10.1方差分析简介 •1.方差分析(analysisofvariance)所研究的问题 –对在不同条件下进行试验或观察得到的数据进行分析,以判断:不同条件对结果有无影响。•2.常用名词 –响应:试验结果或观察指标;•在SAS中称为因变量或响应变量(Dependentvariable)•要求是连续变量;–因子:在试验或观察中改变其状态时...
Sumvariable; Create Subtotals for Variable Groups BYvariable;[按照某一个variable分组,会生成分开的data report] when id and by结合在一起用: Create Subtotals on Separate Pages pagebyvariable; Specifying Titles and Footnotes in Procedure Output ...
Processing Variables with Arrays Chapter 17: Reading Raw Data in Fixed Fields Chapter 18: Reading Free-Format Data Chapter 19: Reading Date and Time Values Chapter 20: Creating a Single Observation from Multiple Records Chapter 21: Creating Multiple Observations from a Single Record Chapter 22: Rea...
non-missing; 1 when missing). In the example below, the missing status of the values in the SSNdataset is displayed row by row. ***(4) MISSING: return Boolean for missing value***; procsql; select monotonic() as obs, ( case sum(missing(ssn1), missing(ssn2)) when 0 then ...