Displaying 20 results from an estimated 6000 matches similar to: "dataframes with only one variable"
2010 Apr 16
3
run R script from Excel VBA
I wrote a R script say called computeCovarMatrix.R and i want to call and
run this piece from Excel visual basic. does anyone know how to do that?
thanks,
KZ
[[alternative HTML version deleted]]
2008 Feb 13
2
apply on large arrays
I have a big contingency table, approximately of size 60*2*500*500,
and I need to count the number of cells containing a count of 1 for each
of the factors values defining the first dimension.
Here is my attempt:
tab1<-with(pisa1,table(CNT,GENDER,ISCOF,ISCOM))
tab2<-apply(tab1,1:4,function(x)ifelse(sum(x)==1,1,0))
tab3<-apply(tab2,1,sum)
Computing tab2 is very slow.
Is there a faster
2009 Nov 07
2
Rpad and R 2.10.0
I have problems with Rpad and R 2.10.0 (Windows XP and Windows 7,
browser is Firefox)
Just starting Rpad by
library(Rpad)
Rpad()
opens the browser and displays the
.html files and the .Rpad files in my home directory, but these
files do not have links and are not clickable.
Doing the same in R 2.9.2 gives clickable links in the browser.
Furthermore, in both cases an empty graphics window
2006 Apr 23
3
bivariate weighted kernel density estimator
Is there code for bivariate kernel density estimation?
For bivariate kernels there is
kde2d in MASS
kde2d.g in GRASS
KernSur in GenKern
(list probably incomplete)
but none of them seems to accept a weight parameter
(like density does since R 2.2.0)
--
Erich Neuwirth, University of Vienna
Faculty of Computer Science
Computer Supported Didactics Working Group
Visit our SunSITE at
2010 Feb 23
5
export tables to Excel files
Dear R users,
I've just posted a similar question about Illustrator.
This time I would like to export the results of my statistic tables and
my dataframes into Excel files.
Up to now I've used write.csv(), but I have to resave every file in .xls
in Excel.
I would like to know if there is a function or package to export
directly into *.xls.
I have found xlsReadWrite which would be
2008 Apr 19
7
Re ad From EXCEL
Hello!!!
I have been read a much about as read data from Excel File, but I haven?t
found the necesary information to read the data.
Now, I can create a channel : channel <- odbcConnectExcel("file.xls") but I
don?t know as read the data??
I hope that you could help me. Thank you very much.
--
View this message in context:
2007 Aug 15
1
help and Firefox
My configuration is Windows XP, R-2.5.1patched.
My standard browser in Windows is Firefox 2.0.6,
and I am using htmlhelp.
I have problems with starting the browser for displaying help.
help("lm") works as it should when Firefox is already running.
When I do help("lm") and the browser is not yet started,
I get
Error in shell.exec(url) :
2006 Jul 03
1
rownames, colnames, and date and time
Hi all
I was wondering whether there has ever been an update on the rownames and
colnames behaviour as described by Eric below?
I still get the same behaviour, exactly as described by Eric, on my WinXP
installation of R-2.3.0. I also posted a message to r-help on Friday but
looking through the online archives it seems to have not made it to the
list. I would agree with Eric that a consistent
2008 Oct 26
2
Possible uninstall problem on windows.
I just uninstalled R 2.7.2 on Windows XP after having installed R 2.8.0
The uninstaller removed the String values
HKEY_LOCAL_MACHINE\SOFTWARE\R-core\R\Current Version
HKEY_LOCAL_MACHINE\SOFTWARE\R-core\R\InstallPath
despite the fact that they pointed to R 2.8.0
The uninstaller did not remove the key
HKEY_LOCAL_MACHINE\SOFTWARE\R-core\R\2.7.2
(and all the values in that key)
I think the
2010 Apr 18
3
loops and if statements
Hello,
I am very new to R and data analysis in general.
I am trying to generate values to append to my data frame using
conditional statements.
I am playing with this simple example:
a <- c(1:4)
b <- c("meep", "foo", "meep", "foo")
d <- cbind(a, b)
now what I want to do is , each time there is a "meep" in column 2 of
d, print
2009 Oct 19
1
source and textConnection
Is this warning given on purpose?
> myconn<-textConnection("print(11*11)")
> source(myconn)
[1] 121
Warning message:
In source(myconn) : argument 'encoding = "native.enc"' will be ignored
Could it be omitted, since the docs state that encoding is only use if
the corresponding argument is a file name or url?
--
Erich Neuwirth, University of Vienna
2007 Aug 28
7
Excel
A common process when data is obtained in an Excel spreadsheet is to save
the spreadsheet as a .csv file then read it into R. Experienced users
might have learned to be wary of dates (as I have) but possibly have not
experienced what just happened to me. I thought I might just share it with
r-help as a cautionary tale.
I received an Excel file giving patient details. Each patient had an ID
2010 May 22
1
exmaple problems
I do not know if this has been reported already
(I searched the headers of the recent messages to r-devel)
It seems that 'example' in R 2.11.0 has a problem when the help file
does not contain any example.
This is what happens on R 2.11.0 on Windows XP.
> library(tools)
> example(Rdiff)
Error in file(con, "r") : cannot open the connection
In addition: Warning message:
In
2009 Feb 03
5
reading .odf spreadsheet into R
I have searched the archives and I did not find the answer to my
question. Is there a way to read in a .odf spreadsheet without
modification to a .csv file. I am analyzing my classes scores on
their first exam, and would like to read the grade book in without
converting it to .csv.
thanks
--
Stephen Sefick
Let's not spend our time and resources thinking about things that are
so little or
2000 Feb 25
1
r-excel interface code
some of you might be interested.
i just uploaded the first release of my
r-excel interface package to CRAN.
it is in
contributed extensions
nonstandard extensions
erich neuwirth
--
Erich Neuwirth, Computer Supported Didactics Working Group
Visit our SunSITE at http://sunsite.univie.ac.at
Phone: +43-1-4277-38624 Fax: +43-1-4277-9386
2000 Feb 25
1
r-excel interface code
some of you might be interested.
i just uploaded the first release of my
r-excel interface package to CRAN.
it is in
contributed extensions
nonstandard extensions
erich neuwirth
--
Erich Neuwirth, Computer Supported Didactics Working Group
Visit our SunSITE at http://sunsite.univie.ac.at
Phone: +43-1-4277-38624 Fax: +43-1-4277-9386
2001 Nov 12
3
histogram question
hist(rbinom(1000,10,0.5),col=2,xlim=c(0,10),ylim=c(0,300))
gives a histogram with "touching bars"
hist(rbinom(100000,10,0.5),col=2,xlim=c(0,10),ylim=c(0,30000))
gives a histogram with space between the bars.
is there a way to control the space betweent he bars easily?
--
Erich Neuwirth, Computer Supported Didactics Working Group
Visit our SunSITE at http://sunsite.univie.ac.at
2004 Jul 14
5
RGui Titlebar
In the windows version (RGui), is there a way to set
the text displayed in the titlebar of the R window?
When I have 2 instances of RGui running, it would be helpul
if the titlebar could help to understand which is which.
--
Erich Neuwirth, Computer Supported Didactics Working Group
Visit our SunSITE at http://sunsite.univie.ac.at
Phone: +43-1-4277-38624 Fax: +43-1-4277-9386
2004 Sep 08
4
factor always have type integer
typeof applied to a factor always seems to return "integer",
independently of the type of the levels.
This has a strange side effect.
When a variable is "imported" into a data frame,
its type changes.
character variables automatically are converted
to factors when imported into data frames.
Here is an example:
> v1<-1:3
>
2010 Feb 22
1
RExcel + RCOM + Linux
Dear all,
does anyone know if it is possible to connect a Windows RExcel
instance to a linux R instance?
Within Rexcel, I find the option "Remote Server Address", but I
wonder what the installation procedure on my linux (ubuntu) R looks
like (if possible at all)?
Thanks
Philipp