Displaying 2 results from an estimated 2 matches for "highdf".
2018 Jan 31
3
Problems with "predict" function ii
...;-lm(mitte~monat)
s.lm
abline(s.lm,lty=2)
news<-data.frame(monat=nrow(sdf)+1)
news
fcs<-predict(s.lm,news,interval=?predict?)
fcs
points(1+nrow(ptr),fcs[,1],col=?grey?,pch=19)
points(1+nrow(ptr),fcs[,2])
points(1+nrow(ptr),fcs[,3])
ptr<-rbind(ptr,c(1+nrow(ptr),fcs[2],fcs[1],fcs[3]))
ptr
highdf<-data.frame(ptr[,c(1,4)])
highdf
colnames(highdf)<-c(?month?,?sales?)
highdf
detach(sdf)
attach(highdf)
h.lm<-lm(highdf[,2]~highdf[,1])
h.lm
abline(h.lm,col="gray",lty=2)
news<-data.frame(month=nrow(ptr)+1)
news
hcs<-predict(h.lm,news,interval=?predict?)
hcs
[[alternative...
2018 Jan 31
1
Problems with "predict" function
...o use different column labels in case that
was the problem but it doesn't seem to make any difference
I am also getting these weird warning messages telling me that things are being
"masked":
The following object is masked _by_ .GlobalEnv:
sales
The following object is masked from highdf (pos = 4):
sales
Etc
Is it something to do with attaching the various data frames? I am a bit at sea
on this and would be thankful for any pointers
Nick
My code:
m<-runif(1,0,1)
m
mres<-m*(seq(1,12))
mres
ssd<-rexp(1,1)
ssd
devs<-rep(0,length(mres))
for(i in 1:length(mres)){devs[...