Displaying 20 results from an estimated 3000 matches similar to: "Rcmdr extensions"
2004 Nov 22
1
Rcmdr -> doItAndPrint -> summary method of S4-class object not in Rcmdr window but R Console
Dear list member,
John Fox proposed to me posting this problem to R-Help:
I have written a function suited for Rcmdr and included this in a R-file
located in Rcmdr/etc as well as an augmented `Rcmdr-menus.txt'.
Now, I am faced with the following problem:
method show() of a S4-class object works flawlessly, that is `doItAndPrint'
works flawlessly and its output is returned correctly into
2013 Feb 01
2
how to setdiff on lists of lists
Dear List,
I have a data structure like:
> aa
[[1]]
[1] 1 2 3
[[2]]
[1] 4 5 6
> bb
[[1]]
[1] 3
[[2]]
[1] 5
I would like to set differences between "aa" and "bb" and get as
result another list of lists like:
> res
[[1]]
[1] 1 2
[[2]]
[1] 4 6
I am trying:
lapply(aa, setdiff, bb)
but I simply get "aa" back as result. Could you please point me in the
2006 Sep 12
2
coerce matrix to number
Dear List,
how can I coerce a matrix like this
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] "0" "1" "1" "0" "0" "0"
[2,] "1" "0" "1" "0" "0" "0"
[3,] "1" "1" "0" "0" "0" "0"
[4,] "0" "0"
2012 May 07
1
wireframe and par(mfrow)
Hello List,
I have some plots with the wireframe() function, and I'd like to
display them in a single jpeg file. I know that par(mfrow=c(x,y)) will
divide my display window in x rows and y columns, and although this
works with plot(), it looks like it's not working with wireframe.
here's my code:
library(lattice)
library(Cairo)
CairoJPEG("wiley-rank.jpeg", width=960,
2011 Jan 03
4
how to invert the axes in the wireframe() plot
Dear List,
I am using the wireframe function in the lattice package, and I am wondering if it is possible to invert the default axes orientation for x and y axes... what parameter should I look for?
Best regards,
Simone Gabbriellini
2005 Aug 03
3
problem with for()
Dear list,
can someone tell me why this two pieces of code give me the same
results?
> for(i in 0:5){ sum[i] = i }
> sum
[1] 1 2 3 4 5
> for(i in 1:5){ sum[i] = i }
> sum
[1] 1 2 3 4 5
shouldn't the first one be
0 1 2 3 4 5
thank you,
simone
2005 Aug 11
1
tcltk programming guide
Dear List,
I'm looking for some documentation about the R tcltk package
The one I found in the help doesn't look exaustive, I need
information on the use of the single tk widget, maybe with some examples
thank you,
simone gabbriellini
2005 Apr 04
2
mysql retrive question
hello R-Users,
I have this simple but not for me question:
I do:
> res<-dbSendQuery(con, "SELECT * FROM tabellaProva")
> myDataFrame<-fetch(res)
> myDataMatrix<-as.matrix(myDataFrame[,-1])
> namerows(myDataMatrix)<-as.character(myDataFrame[,1])
and I have:
io tu
io "0" "1"
tu "1" "0"
my problem is that the
2010 Oct 20
1
how to connect to a remote PostgreSQL database from R on mac osx
Hello List,
I would like to connect to a postgreSQL database on a remote server and I am wondering what is the best package to do that. I have just installed RpgSQL, RPostgreSQL, Rdbi and RODBC.
The handiest to me is RPostgreSQL but I don't see how to connect to a remote server with it. For sure I can connect to remote server with RODBC, but since I am on a Mac OSX 10.6, I have quite
2008 Nov 30
4
simple question with table()
Dear List,
my problem should be easy to fix, but I couldn't find a solution by
myself...
In my survey, there is a question with 14 possible answers. None of
the respondents choose the 13th answer, so when I table() the results,
R says:
1 2 3 4 5 6 7 8 9 10 11 12 14
31 52 7 21 40 7 8 2 28 2 2 1 17
13 is missing... anyone knows how to tell table() that there are 14
modalities in the
2010 Nov 02
1
subset a data.frame
Hello List,
this should be simple, but cannot figure it out. I am trying to subset a data.frame like this:
> data4
users time
1 user5 2009-12-01 14:09:58
2 user1 2009-12-01 14:40:16
3 user8 2009-12-04 08:18:37
4 user6 2009-12-04 08:18:37
5 user83 2009-12-04 08:18:37
6 user82 2009-12-04 08:18:37
7 user31 2009-12-04 08:18:37
8
2005 May 19
2
laten class analysis
Dear List,
just a little question,
I am interested in Latent Class Analysis and
I guess if there is a package for this pourpose
thank for you help,
Simone
2011 Apr 19
3
zero fill empty cell in data.frame
Hello List,
I have a data frame like:
V130 V131 V132 V133 V134 V135 V136
1 0 0 0.9 0 0.9 0 0
2 0 0 0 0 0 0.8
3 0 0 0 0 0.9 0 0
4 0.9 0 0 0 0 0 0.9
5 0 0 0
6 0 0 0 0.9 0 0 0.9
7 0 0 0.8 0 0 0 0
8 0.9 0 0 0.9 0.8 0
9 0 0 0 0.9 0.9 0 0
10 0 0 0 0 0 0 0.9
2007 Nov 01
1
Rcmdr Plugin and menus.txt
Hi all,
I'm trying to write a plugin for R Commander, following the model of
the TeachingDemos plugin. I am struggling trying to even add items by
editing the menus.txt file. I would welcome any help from anyone who
has messed with it. Essentially the problem I am having is: I cannot
create a submenu to a newly created menu. Here is what the menus.txt
file looks like:
# type
2009 Sep 04
3
eps file with embedded font
Dear list,
I am trying to make eps file with embedded font.
I use:
postscript("ranking-exp-all.eps", horizontal=TRUE, onefile=FALSE,
paper="special", height=8, width=12, family="Helvetica")
# plot stuff
dev.off()
since R does not embed font, I then use:
embedFonts(file="indegdistr.eps", outfile="indegdistrEMB.eps",
2011 Mar 02
2
how to simplify a data.frame and add the counts of duplicate rows as a new column
Hello List,
I would like to simplify a data.frame like this
columnA columnB
user10 proj12
user10 proj19
user10 proj12
into something like:
columnA columnB columnC
user10 proj12 2
user10 proj19 1
I know unique() can simplify the data.frame, but how to count and store the duplicates?
thanks in advance for any help.
best regards,
Simone
2009 Dec 13
1
debug an error that incapacitates R?
Dear all
How should I attempt debugging this error?
> sosInit()
Error: invalid connection
When this happens R refuses to run anything:
> 2+2
Error: invalid connection
> sessionInfo ()
Error in stdout() : invalid connection
Debugging it seems impossible.
> options(error=recover)
> sosInit()
Error: invalid connection
Error during wrapup: invalid connection
The error also
2008 Nov 30
1
barplot labels
Dear List,
is it possible to plot vertical labels under vertical bars? for
vertical labels I mean to rotate 90 degrees horizontal labels
I suppose yes, because if excel can do this, R should do it twice
better...
thank you,
Simone
2008 Nov 30
2
how to select cases based on value of one or more variables
dear list,
I have read a spss file with read.spss()
now I have a list with all my variable stored as vectors.
is it possible to selec cases based on the value of one or more
variables?
thank you,
Simone
2005 Apr 02
2
RMySQL question
Dear List,
I have this little problem:
I work with adiacency matrix like:
data me you
me 0 1
you 1 0
I store those matrix in a mysql database
actually I use RMySQL with:
res<-dbSendQuery(connection, "SELECT * FROM table")
myDataFrame<-fetch(res)
to retrive the table, and I have
data me you
1 io 0 1
2 tu 1 0
I would like the first column to be seen