Nov 30 11:18:10 2021] usb 2-8: Product: Logitech BRIO[Tue Nov 30 11:18:10 2021] usb 2-8: current rate 16000 is different from the48000
[Tue Nov 30 11:18:10 2021] input: Logitec
第2-8列是人口统计数据。最终,我需要将这些缩放的列附加到我现有的数据框架中。我的方法是:创建缩放分数的数据帧,重命名新数据帧中的列,合并到旧数据帧中。Grade2z = as.data.frame(scale(Grade2[ ,9:14]))#create new dataframe that ONLY has the scaled CBM and aRGrade2z = as.data.frame(scale(Grade2[ ,c(1,9:14)]))#create new dataframe that ONLY has the scaled CBM a