28+ Stata How To Combine Variables
How to Combine Categorical Variables in Stata Stata Tutorial Share Watch on Coding the string data In order to convert these strings to binary codes we can individually replace each. Next is the argument using this tells Stata that we are done listing.
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. The first line confirms your assumption that at least one of the two variables is missing. 3 From your example which implies numeric variables and at most one variable non-missing in each observation egen s rowmax function is all you. Directly after the merge command is the name of the variable or variables that serve id variables in this case id.
Since I have several observations for a panel on the same day I need to make sure both date and time are used as the time variable. Statas treatment of missing values means that the combination needs a little care although there are several quite easy solutions. In order to merge two datasets we need a common variable or a set of variables called a key variable present in both the master and using file.
In this case it is year. -merge- It is usually pretty straightforward to append data however it sometimes gets a bit tricky when you need to combine data in a column-wise manner that is. This video discusses how to combine data sets in StataThe Stata for Undergraduates video series is an introduction to working with data in Stata designed f.
With three key variables the possible pairs are personid date personid division and division date. To make this situation concrete consider a recent experience. Generate NewVar var1 replace NewVar var2 if.
We can merge the. Consider gen gestht max gestht1 gestht2 gestht3 gesht4 or egen gesht rowmax gestht1 gestht2 gestht3 gestht4 On a small point of English. Merge on every pair of key variables.
In Stata 10 the numeric value of a date.
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