Strange Results of summary()
Hubert Palme
palme@uni-wuppertal.de
Wed, 18 Mar 1998 17:05:28 +0100 (MET)
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Hello,
I run the following job. Please, compare the results of summary and
table concerning berufl. From similar SPSS/PSPP runs, the result of
table is correct.
Did I misunderstand anything or is there a bug?
What does the difference come from?
What does '(other)' mean?
What about the strange order of the levels?
I attach the data file at the end.
Thanks in advance, HP.
> options(digits=10)
> MiniHag <- read.table("minihagR.dat",
+ col.names=c(
+ "befragnr",
+ "geschl",
+ "alter",
+ "famstand",
+ "schule",
+ "beruf",
+ "einkom",
+ "w1",
+ "w2",
+ "w3",
+ "w4",
+ "w5",
+ "w6",
+ "w7"
+ ),
+ na.strings=c(NA,NA,"97","9","9","9","9999",
+ "9","9","9","9","9","9","9")
+ )
>
> # Value Labels:
>
> #MiniHag$geschll <- factor(MiniHag$geschl)
> #levels(MiniHag$geschll) <- c("maennlich", "weiblich")
>
> MiniHag$geschll <- factor(MiniHag$geschl, labels=c("maennlich", "weiblich"))
> MiniHag$famstandl <- factor(MiniHag$famstand, levels=1:5,
+ labels=c(
+ "verheiratet, zusammenlebend",
+ "verheiratet, getrennt lebend",
+ "verwitwet",
+ "geschieden",
+ "ledig")
+ )
> MiniHag$schulel <- factor(MiniHag$schule, levels=1:5,
+ labels=c(
+ "kein Abschluss",
+ "Hauptschule",
+ "Fachschulreife",
+ "Fachhochschulreife",
+ "Abitur")
+ )
> MiniHag$berufl <- factor(MiniHag$beruf, levels=1:8,
+ labels=c(
+ "wissensch.-technisch",
+ "Leiter Oeff. Dienst/Wirtschaft",
+ "Bureaukraft",
+ "Handel",
+ "Dienstleistungsgewerbe/Soldat",
+ "Gaertner/Jaeger",
+ "Guetererzeugung",
+ "sonstige")
+ )
>
> # "Descriptives":
>
> summary(MiniHag)
befragnr geschl alter famstand
Min. : 67.000 Min. :1.0000 Min. :18.0000 Min. :1.0000
1st Qu.: 761.250 1st Qu.:1.0000 1st Qu.:33.0000 1st Qu.:1.0000
Median :1742.500 Median :2.0000 Median :48.0000 Median :1.0000
Mean :1595.625 Mean :1.5125 Mean :47.4375 Mean :2.0375
3rd Qu.:2409.250 3rd Qu.:2.0000 3rd Qu.:59.0000 3rd Qu.:3.0000
Max. :2998.000 Max. :2.0000 Max. :83.0000 Max. :5.0000
schule beruf einkom w1
Min. :1.00000 Min. : 1.000000 Min. : 350.000 Min. :1.0000
1st Qu.:2.00000 1st Qu.: 3.000000 1st Qu.: 800.000 1st Qu.:6.0000
Median :3.00000 Median : 4.000000 Median :1500.000 Median :7.0000
Mean :2.78481 Mean : 4.621622 Mean :1628.113 Mean :6.0625
3rd Qu.:3.00000 3rd Qu.: 7.000000 3rd Qu.:2000.000 3rd Qu.:7.0000
Max. :5.00000 Max. : 8.000000 Max. :5000.000 Max. :7.0000
NA's :1.00000 NA's :43.000000 NA's : 27.000
w2 w3 w4 w5
Min. :1.000 Min. :1.0000 Min. :1.0000 Min. :1.000
1st Qu.:5.000 1st Qu.:5.0000 1st Qu.:4.0000 1st Qu.:3.750
Median :6.000 Median :6.0000 Median :6.0000 Median :4.500
Mean :5.675 Mean :5.7375 Mean :5.4375 Mean :4.475
3rd Qu.:7.000 3rd Qu.:7.0000 3rd Qu.:7.0000 3rd Qu.:6.000
Max. :7.000 Max. :7.0000 Max. :7.0000 Max. :7.000
w6 w7 geschll
Min. :1.0000 Min. :1.000 maennlich:39
1st Qu.:2.0000 1st Qu.:3.750 weiblich :41
Median :4.0000 Median :5.000
Mean :3.7125 Mean :4.375
3rd Qu.:5.0000 3rd Qu.:6.000
Max. :7.0000 Max. :7.000
famstandl schulel
verheiratet, zusammenlebend :54 kein Abschluss : 1
verheiratet, getrennt lebend: 0 Hauptschule :36
verwitwet :10 Fachschulreife :29
geschieden : 1 Fachhochschulreife: 5
ledig :15 Abitur : 8
NA's : 1
berufl
Bureaukraft :15
Guetererzeugung : 9
sonstige : 4
Handel : 3
wissensch.-technisch: 3
(Other) : 3
NA's :43
>
> # "Frequencies":
>
> attach(MiniHag)
> table(geschll)
maennlich weiblich
39 41
> table(famstandl)
verheiratet, zusammenlebend verheiratet, getrennt lebend
54 0
verwitwet geschieden
10 1
ledig
15
> table(schulel)
kein Abschluss Hauptschule Fachschulreife Fachhochschulreife
1 36 29 5
Abitur
8
> table(berufl)
wissensch.-technisch Leiter Oeff. Dienst/Wirtschaft
3 0
Bureaukraft Handel
15 3
Dienstleistungsgewerbe/Soldat Gaertner/Jaeger
2 1
Guetererzeugung sonstige
9 4
> detach(MiniHag)
--l4Siqd0eqV
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--
======================================================================
Hubert Palme Bergische Universitaet-Gesamthochschule Wuppertal
Computing Center
D-42097 Wuppertal
Email: palme@uni-wuppertal.de (Germany)
http://www.hrz.uni-wuppertal.de/hrz/personen/h_palme.html
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