s609078902 发表于 2022-1-10 08:34
不需要加 mydata$,将 %in% 换成 ==
您好,他出来是这样的
a <- filter(mydata, MIU_DESC == "Scuba")
Error in filter(mydata, MIU_DESC == "Scuba") :
object 'MIU_DESC' not found
> a <- filter(mydata, "MIU_DESC" == "Scuba")
> a
Time Series:
Start = 1
End = 8461
Frequency = 1
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] [,14] [,15] [,16]
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0