y_gr_twpred.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

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{help contents:Top}
> {help y_graphics:Graphics}
> {help y_gr_draw:Graph types}
> {help y_gr_twoway:Twoway graphs}
{bind:> {bf:Spline, lowess & prediction plots}}
{p_end}
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{title:Help file listings}

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{bf:{help twoway_lfit:Linear prediction plot}}{break}
    based on linear regression of y on x

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{bf:{help twoway_lfitci:Linear prediction plot with CIs}}{break}
    ... with confidence intervals

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{bf:{help twoway_qfit:Quadratic prediction plot}}{break}
    based on regression of y on x and x^2

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{bf:{help twoway_qfitci:Quadratic prediction plot with CIs}}{break}
    ... with confidence intervals

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{bf:{help twoway_fpfit:Fractional polynomial plot}}{break}
    based on estimation of fractional polynomial

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{bf:{help twoway_fpfitci:Fractional polynomial plot with CIs}}{break}
    ... with confidence intervals

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{bf:{help twoway_lowess:LOWESS line plot}}{break}
    plot a lowess smooth

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{bf:{help twoway_mspline:Spline line plot}}{break}
    cubic spline line plot

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{bf:{help twoway_mband:Median-band line plot}}{break}
    calculate cross medians and graph them as a line plot

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