We can use data _null_ to write a customized cover letter in job application.options nodate nocenter nonumber LEFTMARGIN=1in RIGHTMARGIN=1in TOPMARGIN=1in BOTTOMMARGIN=1in; ;title;footnote;%let N1=Chen Junfang;data company;input person $20. /ti…
PROC LOGISTIC: Complete and quasi-complete separation
Description of separation in PROC LOGISTIC If you picture the data as a 2 x 2 crosstab, then quasi-complete separation occurs when one of the cells is 0. Complete separation occurs when one cell in each row and column is 0. An example of quasi-complete…
PROC LOGISTIC: Reference coding and effect coding
Description of the problem with effect coding When you have a categorical independent variable with more than 2 levels, you need to define it with a CLASS statement. In PROC GLM the default coding for this is dummy coding. In PROC LOGISTIC, it’s …
PROC LOGISTIC: Coding 0 and 1
The problem of coding 0 and 1 in PROC LOGISTIC PROC LOGISTIC can be used to run logistic regression on a dichotomous dependent variable. Often, these are coded 0 and 1, with 0 for `no’ or the equivalent, and 1 for `yes’ or the equivalent. I…
Write a Letter using SAS/ Emailing with SAS
SAS can do many things which most of us don’t have a clue. Here is one example….
Writing a letter:
filename formltr ‘C:\Documents and Settings\sreddy\Desktop\formltr.rtf’;
data address;
infile datalines;
input @ 1 stno
@ 6 lane…
Special Missing Values in SAS
Definition: Special missing value is a type of numeric missing value that enables you to represent different categories of missing data by using the letters A-Z or an underscore. Ref: SAS 9.1.3 language reference: concepts page no: 102
The symbol us…