Stata will sort2before12. The convention that is better for you will depend on your purpose. Thus, with a string representation, all choices with1as first character will be tabulated adjacently, whereas with a numeric representation all choices coded by one digit will be tabulated adjacently. ...
TitleSplitting a string variable into parts AuthorNicholas J. Cox, Durham University, UK Question I want to split a string variable. The variablecasenames court cases, and I would like to have separate variables forplaintiffanddefendant. They are divided by"V"or"VS"or"V."or"VS.". The num...
Creating online archive that allows people to search for a keywork across all user-written packages and quickly read the description of each package Categorize the packages into separate archives based on the type of files used in their packages Attach the online help file for each package that ...
split can be useful when input to Stata is somehow misread as one string variable. If you copy and paste into the Data Editor, say, under Windows by using the clipboard, but data are space-separated, what you regard as separate variables will be combined because the Data Editor expects com...
Quite often these changes are carried out automatically by Stata or easily achieved using recast or compress. Yet there are also problems needing more drastic changes of data types. This insert describes a utility, destring, for changing string variables to numeric, whenever that can be achieved ...
separator(string) sets the character to be used to separate values of varlist when creating a caption using the caption(varlist) option. By default values will be separated by ",". halign(hvalue) sets the horizontal alignment of the cells in row i or column j. hvalue may be left, ...
as in list make mpg price .•There are also many shorthand notations:m*means all variables starting with m .price-weight means all variables from price through weight in the dataset order.ma?e means all variables starting with ma ,followed by any character,and ending in e .1 ...
首先这两个命令是有区别的。pwcorr可以计算两两变量之间的相关系数，而reg是因变量(Y)对自变量(X)回归...
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You cannot rely on v000 for this, because v000 is a 3-character string such as "NG5", where "NG" is the country id and "5" is the phase of DHS. Sometimes there will be two surveys in the same phase, and v000 will be the same for both of them. (This is not an issue if ...