Hi,
I am wondering if there is a simple way to fix the problem I am having.
For unknown reason, I could not get the full name of the factors to be
printed in the summary. I have tried to used summary.lm as well but the
problem still persists.
SJ$Weekday <-
factor(SJ$Weekday,1:7,c("Mon","Tue","Wed","Thu","Fri","Sat","Sun"),ordered=T)
....
attach(SJ)
lm.SJ <- lm(Demand ~ Weekday+Month+Holiday+Season)
summary(lm.SJ)
Call:
lm(formula = Demand ~ Weekday + Month + Holiday + Season)
Residuals:
Min 1Q Median 3Q Max
-69.767 -12.224 -1.378 10.857 91.376
Coefficients: (3 not defined because of singularities)
Estimate Std. Error t value Pr(>|t|)
(Intercept) 88.7091 3.3442 26.527 < 2e-16 ***
Weekday.L 20.8132 2.8140 7.396 1.08e-12 ***
Weekday.Q -12.7667 2.8156 -4.534 7.99e-06 ***
Weekday.C -10.6375 2.8113 -3.784 0.000182 ***
Weekday^4 -8.3325 2.8103 -2.965 0.003238 **
---------------------------------------------
Is there a way for summary to print the full name of the factors and
levels? Say Weekday.Tue instead Weekday.L?
Thanks!
Jack Chang
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