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Arnaud Michel

2013-Sep-10 15:03 UTC

[R] to delete lines by means of a vector

Hi
I would like to eliminate a large number of  lines of the dataframe df1
The lines to delete are given here by the values of Mat (ex : 2,4,7,10).
but I have a large number (300) values of Mat

dput(df1)
structure(list(Mat = c(1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3,
3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
10, 11, 11, 11, 11, 11, 11, 11), Prenom = c("Ginette",
"Ginette",
"Ginette", "Ginette", "Ginette",
"Ginette", "Nicole", "Nicole",
"Nicole", "Nicole", "Jean", "Jean",
"Jean", "Jean", "Jean", "Ginette",
"Ginette", "Ginette", "Ginette",
"Ginette", "H?l?ne", "H?l?ne",
"H?l?ne", "H?l?ne", "H?l?ne", "H?l?ne",
"Guy", "Guy", "Guy",
"Guy", "Guy", "Guy", "Claude",
"Claude", "Claude", "Claude",
"Claude", "Claude", "Claude", "R?gine",
"R?gine", "R?gine", "R?gine",
"R?gine", "R?gine", "R?gine", "Germain",
"Germain", "Germain",
"Germain", "Germain", "Germain",
"B?atrice", "B?atrice", "B?atrice",
"Josette", "Josette", "Josette",
"Josette", "Josette", "Josette",
"Josette"), Sexe = c("F?minin", "F?minin",
"F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin")), .Names = c("Mat",
"Prenom", "Sexe"), row.names = c(NA, 62L), class =
"data.frame")

I would like to obtain the data frame df2
dput(df2)
structure(list(Mat = c(1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3,
3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
10, 11, 11, 11, 11, 11, 11, 11), Prenom = c("Ginette",
"Ginette",
"Ginette", "Ginette", "Ginette",
"Ginette", "Nicole", "Nicole",
"Nicole", "Nicole", "Jean", "Jean",
"Jean", "Jean", "Jean", "Ginette",
"Ginette", "Ginette", "Ginette",
"Ginette", "H?l?ne", "H?l?ne",
"H?l?ne", "H?l?ne", "H?l?ne", "H?l?ne",
"Guy", "Guy", "Guy",
"Guy", "Guy", "Guy", "Claude",
"Claude", "Claude", "Claude",
"Claude", "Claude", "Claude", "R?gine",
"R?gine", "R?gine", "R?gine",
"R?gine", "R?gine", "R?gine", "Germain",
"Germain", "Germain",
"Germain", "Germain", "Germain",
"B?atrice", "B?atrice", "B?atrice",
"Josette", "Josette", "Josette",
"Josette", "Josette", "Josette",
"Josette"), Sexe = c("F?minin", "F?minin",
"F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin")), .Names = c("Mat",
"Prenom", "Sexe"), row.names = c(NA, 62L), class =
"data.frame")

It is possible to obtain by
df2 <- df1[df1$Mat != 2 | df1$Mat !=4 | [df1$Mat !=7 | [df1$Mat !=10,]
But how to delete these lines when the 300 values of Mat are in the 
vector MatDelete

Any ideas ?

-- 
Michel ARNAUD
Charg? de mission aupr?s du DRH
DGDRD-Drh - TA 174/04
Av Agropolis 34398 Montpellier cedex 5
tel : 04.67.61.75.38
fax : 04.67.61.57.87
port: 06.47.43.55.31

arun

2013-Sep-10 15:11 UTC

head link

[R] to delete lines by means of a vector

Hi,
Try:
vec1<- c(2,4,7,10)
df1New<-df1[!df1$Mat %in% vec1,]
?dim(df1New)
#[1] 43? 3
A.K.



----- Original Message -----
From: Arnaud Michel <michel.arnaud at cirad.fr>
To: R help <r-help at r-project.org>
Cc: 
Sent: Tuesday, September 10, 2013 11:03 AM
Subject: [R] to delete lines by means of a vector

Hi
I would like to eliminate a large number of? lines of the dataframe df1
The lines to delete are given here by the values of Mat (ex : 2,4,7,10).
but I have a large number (300) values of Mat

dput(df1)
structure(list(Mat = c(1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3,
3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
10, 11, 11, 11, 11, 11, 11, 11), Prenom = c("Ginette",
"Ginette",
"Ginette", "Ginette", "Ginette",
"Ginette", "Nicole", "Nicole",
"Nicole", "Nicole", "Jean", "Jean",
"Jean", "Jean", "Jean", "Ginette",
"Ginette", "Ginette", "Ginette",
"Ginette", "H?l?ne", "H?l?ne",
"H?l?ne", "H?l?ne", "H?l?ne", "H?l?ne",
"Guy", "Guy", "Guy",
"Guy", "Guy", "Guy", "Claude",
"Claude", "Claude", "Claude",
"Claude", "Claude", "Claude", "R?gine",
"R?gine", "R?gine", "R?gine",
"R?gine", "R?gine", "R?gine", "Germain",
"Germain", "Germain",
"Germain", "Germain", "Germain",
"B?atrice", "B?atrice", "B?atrice",
"Josette", "Josette", "Josette",
"Josette", "Josette", "Josette",
"Josette"), Sexe = c("F?minin", "F?minin",
"F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin")), .Names = c("Mat",
"Prenom", "Sexe"), row.names = c(NA, 62L), class =
"data.frame")

I would like to obtain the data frame df2
dput(df2)
structure(list(Mat = c(1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3,
3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
10, 11, 11, 11, 11, 11, 11, 11), Prenom = c("Ginette",
"Ginette",
"Ginette", "Ginette", "Ginette",
"Ginette", "Nicole", "Nicole",
"Nicole", "Nicole", "Jean", "Jean",
"Jean", "Jean", "Jean", "Ginette",
"Ginette", "Ginette", "Ginette",
"Ginette", "H?l?ne", "H?l?ne",
"H?l?ne", "H?l?ne", "H?l?ne", "H?l?ne",
"Guy", "Guy", "Guy",
"Guy", "Guy", "Guy", "Claude",
"Claude", "Claude", "Claude",
"Claude", "Claude", "Claude", "R?gine",
"R?gine", "R?gine", "R?gine",
"R?gine", "R?gine", "R?gine", "Germain",
"Germain", "Germain",
"Germain", "Germain", "Germain",
"B?atrice", "B?atrice", "B?atrice",
"Josette", "Josette", "Josette",
"Josette", "Josette", "Josette",
"Josette"), Sexe = c("F?minin", "F?minin",
"F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
"F?minin")), .Names = c("Mat",
"Prenom", "Sexe"), row.names = c(NA, 62L), class =
"data.frame")

It is possible to obtain by
df2 <- df1[df1$Mat != 2 | df1$Mat !=4 | [df1$Mat !=7 | [df1$Mat !=10,]
But how to delete these lines when the 300 values of Mat are in the 
vector MatDelete

Any ideas ?

-- 
Michel ARNAUD
Charg? de mission aupr?s du DRH
DGDRD-Drh - TA 174/04
Av Agropolis 34398 Montpellier cedex 5
tel : 04.67.61.75.38
fax : 04.67.61.57.87
port: 06.47.43.55.31

______________________________________________
R-help at r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

Rui Barradas

2013-Sep-10 15:18 UTC

head link

[R] to delete lines by means of a vector

Hello,

It seems you've made a mistake and posted df1 twice,

identical(df1, df2)  # TRUE


As for your question, try negating ?%in%


MatDelete <- c(2, 4, 7, 10)

df3 <- df1[!df1$Mat %in% MatDelete, ]


Hope this helps,

Rui Barradas

Em 10-09-2013 16:03, Arnaud Michel escreveu:> Hi
> I would like to eliminate a large number of  lines of the dataframe df1
> The lines to delete are given here by the values of Mat (ex : 2,4,7,10).
> but I have a large number (300) values of Mat
>
> dput(df1)
> structure(list(Mat = c(1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3,
> 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
> 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
> 10, 11, 11, 11, 11, 11, 11, 11), Prenom = c("Ginette",
"Ginette",
> "Ginette", "Ginette", "Ginette",
"Ginette", "Nicole", "Nicole",
> "Nicole", "Nicole", "Jean", "Jean",
"Jean", "Jean", "Jean", "Ginette",
> "Ginette", "Ginette", "Ginette",
"Ginette", "H?l?ne", "H?l?ne",
> "H?l?ne", "H?l?ne", "H?l?ne",
"H?l?ne", "Guy", "Guy", "Guy",
> "Guy", "Guy", "Guy", "Claude",
"Claude", "Claude", "Claude",
> "Claude", "Claude", "Claude",
"R?gine", "R?gine", "R?gine", "R?gine",
> "R?gine", "R?gine", "R?gine",
"Germain", "Germain", "Germain",
> "Germain", "Germain", "Germain",
"B?atrice", "B?atrice", "B?atrice",
> "Josette", "Josette", "Josette",
"Josette", "Josette", "Josette",
> "Josette"), Sexe = c("F?minin", "F?minin",
"F?minin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "Masculin", "Masculin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin")), .Names = c("Mat",
> "Prenom", "Sexe"), row.names = c(NA, 62L), class =
"data.frame")
>
> I would like to obtain the data frame df2
> dput(df2)
> structure(list(Mat = c(1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3,
> 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
> 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
> 10, 11, 11, 11, 11, 11, 11, 11), Prenom = c("Ginette",
"Ginette",
> "Ginette", "Ginette", "Ginette",
"Ginette", "Nicole", "Nicole",
> "Nicole", "Nicole", "Jean", "Jean",
"Jean", "Jean", "Jean", "Ginette",
> "Ginette", "Ginette", "Ginette",
"Ginette", "H?l?ne", "H?l?ne",
> "H?l?ne", "H?l?ne", "H?l?ne",
"H?l?ne", "Guy", "Guy", "Guy",
> "Guy", "Guy", "Guy", "Claude",
"Claude", "Claude", "Claude",
> "Claude", "Claude", "Claude",
"R?gine", "R?gine", "R?gine", "R?gine",
> "R?gine", "R?gine", "R?gine",
"Germain", "Germain", "Germain",
> "Germain", "Germain", "Germain",
"B?atrice", "B?atrice", "B?atrice",
> "Josette", "Josette", "Josette",
"Josette", "Josette", "Josette",
> "Josette"), Sexe = c("F?minin", "F?minin",
"F?minin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "Masculin", "Masculin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
> "F?minin", "F?minin", "F?minin",
"F?minin", "F?minin", "F?minin",
> "F?minin", "F?minin", "F?minin",
"F?minin")), .Names = c("Mat",
> "Prenom", "Sexe"), row.names = c(NA, 62L), class =
"data.frame")
>
> It is possible to obtain by
> df2 <- df1[df1$Mat != 2 | df1$Mat !=4 | [df1$Mat !=7 | [df1$Mat !=10,]
> But how to delete these lines when the 300 values of Mat are in the
> vector MatDelete
>
> Any ideas ?
>

Bert Gunter

2013-Sep-10 15:18 UTC

head link

[R] to delete lines by means of a vector

?match ## or
?"%in%"

## if vec is the vector of values you want to omit, something like

df2 <- df1[! (df1$Mat %in% vec),]  ## the parentheses may be unnecessary

Cheers,
Bert


On Tue, Sep 10, 2013 at 8:03 AM, Arnaud Michel
<michel.arnaud@cirad.fr>wrote:
> Hi
> I would like to eliminate a large number of  lines of the dataframe df1
> The lines to delete are given here by the values of Mat (ex : 2,4,7,10).
> but I have a large number (300) values of Mat
>
> dput(df1)
> structure(list(Mat = c(1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3,
> 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
> 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
> 10, 11, 11, 11, 11, 11, 11, 11), Prenom = c("Ginette",
"Ginette",
> "Ginette", "Ginette", "Ginette",
"Ginette", "Nicole", "Nicole",
> "Nicole", "Nicole", "Jean", "Jean",
"Jean", "Jean", "Jean", "Ginette",
> "Ginette", "Ginette", "Ginette",
"Ginette", "Hélène", "Hélène",
> "Hélène", "Hélène", "Hélène",
"Hélène", "Guy", "Guy", "Guy",
> "Guy", "Guy", "Guy", "Claude",
"Claude", "Claude", "Claude",
> "Claude", "Claude", "Claude",
"Régine", "Régine", "Régine", "Régine",
> "Régine", "Régine", "Régine",
"Germain", "Germain", "Germain",
> "Germain", "Germain", "Germain",
"Béatrice", "Béatrice", "Béatrice",
> "Josette", "Josette", "Josette",
"Josette", "Josette", "Josette",
> "Josette"), Sexe = c("Féminin", "Féminin",
"Féminin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Féminin", "Féminin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Féminin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Masculin", "Masculin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Féminin", "Féminin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Féminin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin")), .Names = c("Mat",
> "Prenom", "Sexe"), row.names = c(NA, 62L), class =
"data.frame")
>
> I would like to obtain the data frame df2
> dput(df2)
> structure(list(Mat = c(1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3,
> 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
> 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
> 10, 11, 11, 11, 11, 11, 11, 11), Prenom = c("Ginette",
"Ginette",
> "Ginette", "Ginette", "Ginette",
"Ginette", "Nicole", "Nicole",
> "Nicole", "Nicole", "Jean", "Jean",
"Jean", "Jean", "Jean", "Ginette",
> "Ginette", "Ginette", "Ginette",
"Ginette", "Hélène", "Hélène",
> "Hélène", "Hélène", "Hélène",
"Hélène", "Guy", "Guy", "Guy",
> "Guy", "Guy", "Guy", "Claude",
"Claude", "Claude", "Claude",
> "Claude", "Claude", "Claude",
"Régine", "Régine", "Régine", "Régine",
> "Régine", "Régine", "Régine",
"Germain", "Germain", "Germain",
> "Germain", "Germain", "Germain",
"Béatrice", "Béatrice", "Béatrice",
> "Josette", "Josette", "Josette",
"Josette", "Josette", "Josette",
> "Josette"), Sexe = c("Féminin", "Féminin",
"Féminin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Féminin", "Féminin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Féminin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Masculin", "Masculin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Féminin", "Féminin",
> "Masculin", "Masculin", "Masculin",
"Masculin", "Masculin", "Masculin",
> "Féminin", "Féminin", "Féminin",
"Féminin", "Féminin", "Féminin",
> "Féminin", "Féminin", "Féminin",
"Féminin")), .Names = c("Mat",
> "Prenom", "Sexe"), row.names = c(NA, 62L), class =
"data.frame")
>
> It is possible to obtain by
> df2 <- df1[df1$Mat != 2 | df1$Mat !=4 | [df1$Mat !=7 | [df1$Mat !=10,]
> But how to delete these lines when the 300 values of Mat are in the vector
> MatDelete
>
> Any ideas ?
>
> --
> Michel ARNAUD
> Chargé de mission auprès du DRH
> DGDRD-Drh - TA 174/04
> Av Agropolis 34398 Montpellier cedex 5
> tel : 04.67.61.75.38
> fax : 04.67.61.57.87
> port: 06.47.43.55.31
>
> ______________________________**________________
> R-help@r-project.org mailing list
>
https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help>
> PLEASE do read the posting guide http://www.R-project.org/**
> posting-guide.html <http://www.R-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>


-- 

Bert Gunter
Genentech Nonclinical Biostatistics

Internal Contact Info:
Phone: 467-7374
Website:
http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm

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