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常笑医学网统计教程:如何用SPSS绘制线图?实例讲解操作步骤
线图(line graph)是用线段的升降来表示数值的变化,适合于描述某统计量随另一连续性数值变量变化而变化的趋势,如常用于描述统计量随时间变化而变化的趋势。通常横轴是时间或其他连续性变量,纵轴是统计指标。如果横轴和纵轴都是算术尺度,称普通线图;纵轴是 ...
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