Displaying 1 result from an estimated 1 matches for "wdayfri".
2024 May 09
2
Strange variable names in factor regression
...<- lm(volume ~ wday, data = mydf)
## Variable names as expected
coef(reg)
(Intercept) wdayMon wdaySat wdaySun wdayThu wdayTue
21.3846154 1.3076923 -12.0000000 -12.9230769 -1.9230769 -0.6923077
wdayWed
-1.6153846
reg <- lm(volume ~ wday - 1, data = mydf)
# Variable names as expected
coef(reg)
wdayFri wdayMon wdaySat wdaySun wdayThu wdayTue wdayWed
21.384615 22.692308 9.384615 8.461538 19.461538 20.692308 19.769231
# Ordered factors for weekday sequence
mydf$wday <- factor(mydf$wday, levels = c("Mon", "Tue", "Wed", "Thu",
"Fri", "Sat&quo...