WebThe basic missing value for numeric variables is represented by a dot "."; there are 26 additional missing-value codes denoted by .a to .z. (Introduced with Stata 8. These values are represented internally as … Webing(X) returns the count of nonmissing values of each row, and nonmissing(X) returns the overall count. hasmissing(X) returns 1 if X has a missing value or 0 if X does not have a …
How to count the number of missing values? - Statalist
WebMay 11, 2024 · Dear Stata users, Can anyone help me how to find out variables with the highest missing values in my data set. Basically what i am using is (tab var1, miss) to … This module will explore missing data in Stata, focusing on numeric missing data. It will describe how to indicate missing data in your raw data files, as well as how missing data are … See more It is important to understand how missing values are handled in logical statements. For example, say that you want to create a 0/1 variable for trial2 that is 1 if it is 1.5 or less, and 0 if it is … See more As a general rule, Stata commands that perform computations of any type handle missing data by omitting the row with the missing values. However, the way that missing values are omitted is not always consistent across … See more cshe xhyh
Using IF with Stata commands Stata Learning Modules
WebI think the xfill command is what you are looking for. To install xfill, copy-paste the following into Stata and follow instructions: bysort group: egen new_value=max (cond (!missing (value), value, .) The cond-function checks if the first … Web2 days ago · Find many great new & used options and get the best deals for Summer, IN Dem Ich Black Is Stata Angelique, Beldner and Martin R Goddess Book at the best online prices at eBay! Free shipping for many products! WebAug 25, 2024 · First, I would check that the only value of weight that isn't numeric is the "NULL". Then I would use destring to do the conversion, forcing the non-numeric values to be missing. Code: clear input str8 weight 110 120 130 NULL 150 end list, clean describe weight tab weight if real (weight)==. destring weight, replace force describe weight list ... cshe xhcho