y_dm.hlp

来自「是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到」· HLP 代码 · 共 42 行

{smcl}
{p 0 4}
{help contents:Top}
{bind:> {bf:Data management}}
{p_end}
{hline}

{title:Category listings}

{p 4 8 4}
{bf:{help y_inputing:Inputting data}}{break}
    inputting data from the keyboard, from a file, or from a spreadsheet

{p 4 8 4}
{bf:{help y_editing:Editing data}}{break}
    using the data editor

{p 4 8 4}
{bf:{help y_creating:Creating and changing variables}}{break}
    {cmd:generate}{space 1}{it:newvar} {cmd:=} ...{space 2}and{space 2}
    {cmd:replace} {it:oldvar} {cmd:=} ...{break}
    also recoding, smoothing, renaming, dropping, ... variables

{p 4 8 4}
{bf:{help y_dmsaving:Saving and reusing data}}{break}
    in both Stata and non-Stata (export) format

{p 4 8 4}
{bf:{help y_reorg:Data reorganization}}{break}
    sort, stack, reshape, make dataset of means or other summary statistics, ...

{p 4 8 4}
{bf:{help y_merge:Merging and appending datasets}}{break}
    two datasets combined into one, either by tacking on new observations
    (appending) or by tacking on new variables (merging)

{p 4 8 4}
{bf:{help y_dutil:Utilities}}{break}
    describing, comparing, ...

{hline}