找到这500个样本的共性，用drop if删除
Subjectst: drop variables in panel data with loop DateSun, 22 Jul 2012 20:51:19 +1000 I am having trouble with Stata and would like some guidance on what I am doing incorrectly. I am new to Stata (only 1 month into it), so I am still trying to learn and sometimes still thinking...
This contains the exercise files used in the video and article related to dropping observations or variables based on condition in StataYou will get the following files: DO (1KB) DTA (3KB) Customer Reviews Write a Review There are no reviews yet. ...
display in smcl as text "variable {result}`var'" _continue display in smcl as text "'s mean is greater than one" drop `var' } } exit * * For searches and help try: *http://www.stata.com/help.cgi?search*http://www.stata.com/support/statalist/faq*http://www.ats.ucla.edu/stat...
Using the dumped 'data_esample', I did aggregation at user level and product level (the following codes are not stata, just to show what I did): aggregate_by(user), count rows aggregate_by(product), count rows What i found were that: ...
list in 1/5 得到数据集的情况: Contains data from D:\Stata17\ado\base/l/lifeexp.dta Observations: 68 Life expectancy, 1998 Variables: 7 26 Mar 2020 09:40 (_dta has notes) --- Variable Storage Display Value name type format label Variable label ---...
All of the variables which were significantly associated with attrition (P < 0.05) in univariate analyses were selected into the multivariable model. All calculations were performed using the statistical softwares Stata 10 (StataCorp LP, College Station, TX, USA) and SPSS 14.0 (SPSS Inc., ...
The latest version of Stata is 11.2. I don't think you can do this, short of -drop-ping variables you know you don't want for any analysis beforehand. It seems contrary to the idea of a dialog. Someone else may have a better idea. I almost never use these features. Nick On Mon,...
If there is an issue with factor variables, is there a known workaround? estimates table a1 a2 a3 a4 a5, drop(i.hsacode) coefficient i.hsacode does not occur in any of the models r(198); . estimates table a1 a2 a3 a4 a5, drop(hsacode) coefficient hsacode does not occur in any...
drop -- Drop variables or observations