Calculation of mean for each industry quarter using egen, any quicker way!!

Dear Statalist members, My dataset is something like this Code: * Example generated by -dataex-. To install: ssc install dataex clear...

Vuong test for hedonic price model - Regression

Hi all, I am trying to estimate a hedonic price model. The first step used is estimating the Box Cox and predicting: lhsonly, rhsonly, lamd...

combining datasets with different formats of a variable and ts values

I have a dataset that includes information on naic codes, years, the quarter of those years in the format 101 for 2001Q1 102 for 2001Q2 and ...

Drop if ALL specified variables fulfill a certain condition

Dear statalist, is there a way to write the following command Code: drop if intention1==9 & intention2==9 & intention3==9 ...

Adding extra years to an existing date variable

Dear Statalist, I have a date variable created the following way: Code: gen PartDat_gli = . replace PartDat_gli = PartDat_NT2BLQ1 if ...

Simultaneously run through two forvalues loops

Dear statalist, I'm trying to program the following commands more mechanically: Code: rename intentionof14 intentionof6 rename int...

Adding options to a package (.ado)

Hi everyone, I have written a code to run the LFK index (Int J Evid Based Healthc. 2018 Dec;16(4):195-203). At the moment it only runs usi...