y_41_dm.hlp

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

{smcl}
{p 0 4}
{help contents:Top}
> {help y_basics:Basics}
> {help y_utilcmd:Utility commands & commands that everyone should know}
> {help y_41:Commands everyone should know}
{bind:> {bf:Data manipulation}}
{p_end}
{hline}

{title:Help file listings}

{p 4 8 4}
{bf:{help generate:generate, replace}}{break}
    create or change contents of variable

{p 4 8 4}
{bf:{help egen:egen}}{break}
    extensions to generate

{p 4 8 4}
{bf:{help drop:drop}}{break}
    eliminate variables or observations

{p 4 8 4}
{bf:{help sort:sort}}{break}
    sort data

{p 4 8 4}
{bf:{help encode:encode, decode}}{break}
    encode string into numeric and vice-versa

{p 4 8 4}
{bf:{help order:order}}{break}
    reorder variables in dataset

{p 4 8 4}
{bf:{help by:by}}{break}
    repeat Stata command on subsets of data

{p 4 8 4}
{bf:{help reshape:reshape}}{break}
    convert data from wide to long and vice versa

{hline}