计算描述性的统计 Frequency table、scatter plots(散点座标图) 、 Cross table、mean value、standard deviation( 标准差) Frequency table： 可用来检查遗漏值的百分比，是否太高。
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Ranked scatter plots 分级排序散点图
Both the scatter plots have been linked.
无论是散点图已经联系。
It seems to have more data points embedded in its scatter plots than our galaxy has stars.
这看起来就是把数据要点嵌入散点图里，如同我们的银河系遍布繁星一般。
Results According to scatter plots of row and column points, some diseases have the obvious seasonality.
结果从对应分析的因子负荷图中可以看出有些疾病具有明显的季节性。
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