BJ Data Tech Solution

Specialized on Data processing, Data management Implementation plan, Data Collection tools - electronic and paper base, Data cleaning specifications, Data extraction, Data transformation, Data load, Analytical Datasets, and Data analysis. BJ Data Tech Solutions teaches on design and developing Electronic Data Collection Tools using CSPro, and STATA commands for data manipulation. Setting up Data Management systems using modern data technologies such as Relational Databases, C#, PHP and Android.

T-Test with foreach (for 4 Variables)
T-Test with foreach (for 4 Variables)

Hey listers, I want to do a t-test for 4 variables (buy1,sell1, buy2, sell2) (they all match certain conditions hence I gave them the value 1 if they do) (for each t-test only comparing 2 of them). So I generated 2 groups
gen group = 1 if buy1 == 1
replace group = 2 if sell1 == 1
ttest var, by(group)

But how do I do compare everytime 2 of the 4 groups? tried it with command foreach, but I am not sure how to do that. (I want to do that for a few more variables.)
I hope there is a solution.

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T-Test with foreach (for 4 Variables)

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