y_tsbasics.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}
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{help contents:Top}
> {help y_stat:Statistics}
> {help y_topical:Special topics}
> {help y_ts:Time series}
{bind:> {bf:Basics}}
{p_end}
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{title:Help file listings}

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{bf:{help tsset:Setting time-series data}}{break}
    declare dataset to be time-series data and designate the time variable

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{bf:{help tdates:Overview of time-series dates}}{break}
    Stata stores dates as # of days since 01jan1960 or # of weeks
    since 1960w1 or # of months since 1960m1 or ...

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{bf:{help tfmt:Time-series formats}}{break}
    details about the %t format;{break}
    display 21jan1952, 1/21/1952, January 21, 1952, 1952q1, or ...?

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{bf:{help tsreport:Report time-series aspects of dataset or estimation sample}}{break}
    report on time gaps

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{bf:{help tsappend:Add observations to a time-series dataset}}{break}
    automatically fill in time variable (and panel variable if set)

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{bf:{help tsfill:Fill in missing times with missing observations}}{break}
    automatically fill in gaps in time-series and panel datasets

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{bf:{help tsvarlist:Time-series variable lists}}{break}
    use time-series operators on existing variables in a variable
    list


{title:Related categories}

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{help y_expressions:Expressions and functions}
> {help y_functions:Functions}
> {bf:{help y_ts2:Time-series functions}}
{p_end}

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