y_functions.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_syntax:Syntax}
> {help y_expressions:Expressions and functions}
{bind:> {bf:Functions}}
{p_end}
{hline}

{title:Help and category listings}

{p 4 8 4}
{bf:{help functions:Functions}}{break}
    introduction to Stata functions

{p 4 8 4}
{bf:{help math_functions:Mathematical functions}}{break}
    abs(), cos(), max(), round(), ...

{p 4 8 4}
{bf:{help density_functions:Probability distributions and density functions}}{break}
    Binomial(), F(), Fden(), Ftail(), invF(), invnorm(), ...

{p 4 8 4}
{bf:{help random_number_functions:Random number functions}}{break}
    uniform(), invnorm(uniform())

{p 4 8 4}
{bf:{help string_functions:String functions}}{break}
    abbrev(), index(), length(), reverse(), string(), trim(), ...

{p 4 8 4}
{bf:{help programming_functions:Programming functions}}{break}
    cond(), e(), float(), inlist(), inrange(), missing(), r(), ...

{p 4 8 4}
{bf:{help y_dates:Date functions}}{break}
    inputting dates, extracting month, day, year, ...

{p 4 8 4}
{bf:{help y_ts2:Time-series functions}}{break}
    daily, weekly, monthly, quarterly, yearly, ...

{p 4 8 4}
{bf:{help matrix_functions:Matrix functions}}{break}
    det(), rowsof(), trace() ...

{hline}