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heardsize
2007 Aug 16
0
Linear models and a simple time series
...6004,8631,13277,12029,10081,989
9,11023,9926,7000)
herdsize
<-c(50697,54804,46462,42410,43593,42138,43037,44495,45968,47376,45469,38815,
37186,37135,31760,31206,28563)
year.0 <-which(year==1991)
year.1 <-year.0+1
year.ult <-length(year)
year.penult<-length(year)-1
y<-heardsize[year.1:year.ult]
x<-herdsize[year.0:year.penult]-killed[year.0:year.penult]
LM<-lm(y~bb-1)
summary(LM)
#Call:
#lm(formula = y ~ x - 1)
#
#Residuals:
# Min 1Q Median 3Q Max
#-11893 -1114 1137 3553 6069
#
#Coefficients:
# Estimate Std. Error t value Pr(>|t|)
#b...