hi ,everyone
I want subtract some dataset by subset.
>From the help running help(subset), ths information is "*subset(airquality,
Day == 1, select = -Temp)* "
while I running my script written as "*g1data<-subset(errdata, fac>12) *"
,it is wrong with the error information "*subset.default(newerrdata,
fac>12),can not find fac*"
and g1 in read from the file as shown below
*errdata<-scan("err.dat",what = list(mon=0,day=0,err=0,fac=0))*
While I changed to *g1data<-subset(errdata, errdata$fac>12)*, there is no
error message any more but it seems that *g1data* dooes be selected.
who can help me to subset the dataset?
thank you .:)
--
TANG Jie
Email: totang...@gmail.com
Tel: 0086-2154896104
Shanghai Typhoon Institute,China
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