The pages for many commands in this category need to be written / rewritten
Sorts the observations in a dataset according the value of a variable or variables.
sort varx vary
Changes how panel data (or panel-like data) is stored.
reshape wide varx vary, i(idvar) j(year)   - or -
reshape long varx vary, i(idvar) j(year)
Transposes the data so that each observation becomes a variable and each variable becomes an observation.
Makes Stata see if it can store your dataset more efficiently by changing the types of some variables.
order; move; aorder
Alters the order of the variables in a dataset, as they appear in the Variables window, or in commands like sum and list (when called with no arguements).
order idvar1 idvar2 varx vary varz   - or -
aorder idvar*   - or -
move varx vary
Joins two datasets containing different information (variables) on the same observations.
merge idvar using "files/otherdataset"
Joins two datasets containing different observations for the same variables.
append using "files/otherdataset"
last modified: 4 May 2007