r的例子require(stats ) require (graphics ) n-10nn-100 g-factor (round (n * # runif ) n ) ) ) run if函数是n*nn个0 在此取整数后,从0到10的整数#factor被变换为因子,从0到10的整数被变换为因子x-#rnorm(n*nn ) sqrt (as.numeric ) g ) rnorm,正规分布数XG-split(x col='lavender ',notch=TRUE,varwidth=TRUE ) #boxplot为箱线图#sapply ) XG,length ) )描绘了分割