Dear All:
*Re:* How to make the Month variable be called “May”,“June”, "July",
"August", "September" instead of a numeric quantity (5,6,7,8,9)
In the airquality data set, please see the code below; How to make the
Month variable be called “May”,“June”, "July", "August", "September"
instead of a numeric quantity (5,6,7,8,9)
data(airquality)
head(airquality)
#### Making Day and Month categorical variables
airquality$Day <- factor(airquality$Day)
airquality$Month <- factor(airquality$Month)
head(airquality)
> head(airquality)
Ozone Solar.R Wind Temp Month Day
1 41 190 7.4 67 5 1
2 36 118 8.0 72 5 2
3 12 149 12.6 74 5 3
4 18 313 11.5 62 5 4
5 NA NA 14.3 56 5 5
6 28 NA 14.9 66 5 6
>
Thank you very much for your help in advance
with thanks
abou
______________________
*AbouEl-Makarim Aboueissa, PhD*
*Professor of Statistics*
*Graduate Coordinator*
*Department of Mathematics and Statistics*
*University of Southern Maine*
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