We also discuss various aspects of STATA codes that can be used to determine the event window. The commands reported in this paper can be applied to assess the impact of different firm-level and other macro-level events on corporate performance. Accordingly, we focus on the Covid-19 outbreak...
If I substitute "key" part with following codes that @yabwon suggested %let key=%str(%')%qsysfunc(tranwrd(&varlst.,%str( ),%str(%', %')))%str(%'); %put Key is: &key.; It looks to me the key should be the same as yours, but it won't work. What mi...
To: statalist@hsphsun2.harvard.edu Subject: Re: st: How to assign value labels to several variables at once? - new problem HI everyone, and thanks for your help. I got the foreach command to work - and everything is great...but now...my label stop showing up...I'm thinking I'...
If you import("myfile.csv"), it knows to use a function to read a CSV file. import("myspreadsheet.xlsx") works the same way. In fact, rio handles more than two dozen formats including tab-separated data (with the extension .tsv), JSON, Stata, and fixed-width format data (.fwf)....
Why reprex? Getting unstuck is hard. Your first step here is usually to create a reprex, or reproducible example. The goal of a reprex is to package your code, and information about your problem so that others can run it…
local macro with relevant info, then -restore- and use that info to add fake observations to the end of your data which you will later drop. -egen group, label- is a good way to make a new plotting variable that takes on integer values, so for example codes ...
However, there are many different ways to implement multiple im- putation, such as including different variables in the im- putation model and imputing under different statistical models. Therefore, this approach to pre-specification is ineffective, as it still allows investigators to analyse the ...
Based on zip codes reported by respondents, the majority (93%) resided in metropolitan areas, defined by the USDA as an urbanized area of at least 50,000 inhabitants [22]. 2.3. Measures 2.3.1. Delaying or avoiding testing and/or treatment for COVID-19 Two questions addressed intent to ...
Recruitment is a challenge in developing population-representative pregnancy and birth cohorts. We developed a collaborative recruitment infrastructure (CRI) to recruit pregnant women for 4 pregnancy cohorts using: faxes from obstetrical offices, in-clin
Finally, we make use of a set of advanced empirical measures to approximate the firm's task environment in an encompassing manner. From a methodological point of view, this study provides fine-grained insights on a firm's environment and its associated moderating effects on the cash-performance ...