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.

counting total of variable based on other variable
counting total of variable based on other variable

Hello,

i want to count the total M&A's (labeled as 1 in maactive) of a firm (based on gvkey) en generate a new variable. I tried the code

egen totalma = count (maactive ==1), by (gvkey)

but if I use this code, it counts all of the observations on maactive based on gvkey but I only need the ''1'' of the variable maactive.

Does someone know what I am doing wrong?

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