Object Reference : Object View and Procedure Reference : Group
  
 
testbtw
Test equality of the mean, median or variance between (among) series in a group.
Syntax
group_name.testbtw(options)
Specify the type of test as an option.
Options
 
mean (default)
Test equality of mean.
med
Test equality of median.
var
Test equality of variance.
c
Use common sample.
i (default)
Use individual sample.
prompt
Force the dialog to appear from within a program.
p
Print the test results.
Examples
group g1 wage_m wage_f
g1.testbtw
g1.testbtw(var,c)
tests the equality of means between the two series WAGE_M and WAGE_F.
Cross-references
See “Tests of Equality” for further discussion of these tests.
See also Series::testby, Series::teststat.