Displaying 4 results from an estimated 4 matches for "enginesize".
2004 Feb 10
1
make check in 1.8.1.
...ne ``data(Cars93)'':
===+===+===+===+===+===+===+===+===+===+===+===+===+===+===+===+===+===+===
## lm.influence where hat[1] == 1
if(require(MASS)) {
#
data(Cars93) # <------------------------- INSERTED LINE
#
fit <- lm(formula = 1000/MPG.city ~ Weight + Cylinders + Type + EngineSize + DriveTrain, data = Cars93)
print(lm.influence(fit))
## row 57 should have hat = 1 and resid=0.
summary(influence.measures(fit))
}
## only last two cols in row 57 should be influential
===+===+===+===+===+===+===+===+===+===+===+===+===+===+===+===+===+===+===
Then I re-ran make check...
2000 Apr 26
2
plotting question
I would like to plot two different samples on the same scatterplot in R
using different symbols for the different groups.
Could someone please let me know how this can be done? Thank you very much.
Thad
*****************************************************************************
Thaddeus Tarpey Phone: (937) 775-2861
Wright State University
2001 Sep 08
2
Basic SPSS commands in R ?
Hello,
i'm newbie of R and think it is a really good alternative to SPSS.
But i have more problems using elementary things comparable with using advanced methods.
(1) How can i value label i.e the variable X in data.frame DATA
with the labels ( 1=very good ) (2=good).
spss syntax when DATA is in Spreadsheet is:
value labels X
1 'very good'.
2 'good'.
execute.
(2) How can i
2003 Nov 23
3
make check reg-tests-3
...69 70 71 72
3.583325 3.600828 3.569987 3.592482 3.599979 3.580547 3.600799 3.599768
73 74 75 76 77 78 79 80
@@ -432,44 +433,57 @@
Potentially influential observations of
lm(formula = 1000/MPG.city ~ Weight + Cylinders + Type + EngineSize + DriveTrain, data = Cars93) :
- dfb.1_ dfb.Wght dfb.Cyl4 dfb.Cyl5 dfb.Cyl6 dfb.Cyl8 dfb.Cyln dfb.TypL
-8 -0.16 0.00 -0.10 -0.07 -0.24 -0.44 0.01 0.12
-19 -0.03 0.09 -0.01 -0.03 0.00 -0.01 -0.03 0.08
-28 0.11 -0.15 0.04 0.02 0.02...