What is Egen?
The Stata command egen, which stands for extended generation, is used to create variables that require some additional function in order to be generated. Examples of these function include taking the mean, discretizing a continuous variable, and counting how many from a set of variables have missing values.
Are Egen Solutions consultancy?
This is a consulting company, but egen has their own in-house projects too. They have lot of good activities now and then.
What is Gsort Stata?
Description. gsort arranges observations to be in ascending or descending order of the specified variables and so differs from sort in that sort produces ascending-order arrangements only; see [D] sort. Each varname can be numeric or a string.
Can you combine 2 variables in Stata?
Merging two datasets require that both have at least one variable in common (either string or numeric). If string make sure the categories have the same spelling (i.e. country names, etc.). The common variables must have the same name.
What does Destring mean?
(transitive) to remove hard fibers or strings from something soft. The two men found the three women destringing freshly picked bush beans for the evening meal.
How do I use DSUM () instead of cumulative sum in SQL?
On running the query on the table with duplicate values, you’ll get: As you can see, the DSUM () will return the same result for both the product instead of calculating a cumulative sum or running total. What we really need is that DSUM should add the same amount to the previous total regardless of whether or not they are equal.
Where is the sum () function in Egen?
There is no sum () under egen!!! According to the Stata manual (and my painful experience), the correct way is either to use: This returns a cumulative sum, which Stata calls it a “running sum”. This is in the same spirit of the cumsum () in MATLAB. This returns an overall sum.
Is it better to use sum () or total () in Egen?
Although sum () sometimes does work under egen, it is better to use total instead because who knows there will be anything wrong sometimes. For example, If you have a variable “v1” whose takes the value of 1 in each observation. n=5. Then, Loading… You are commenting using your WordPress.com account.
How to get the sum of all records in a field?
In this field, create a DSUM () expression as follows: At every record, the DSUM () examines the criteria and returns the sum of all the records that meet the criteria. So, on running the query you get: However, there is an exception here.
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