[R] Problem at adding lines on a graphics with lines() function

2009-11-20 Thread anna_l
Hello, I am trying to plot a graphic with many lines with the following command: plot(datas[1:n,1],datas[1:n,2],type="l",main="SP500 Prices and Moving Averages",xlab="Date",ylab="Prices",col="black") lines(datas[1:n,1],datas[1:n,3],type="l",col="green",lty="solid") But I just see the first curve

Re: [R] Problem with sqlSave

2009-11-20 Thread anna_l
and it worked very well. Thank you for trying to help. Karl Ove Hufthammer wrote: > > On Thu, 19 Nov 2009 04:07:52 -0800 (PST) anna_l @hotmail.com> wrote: >> Hello, the sqlSave function is used in order to write a dataframe on >> excel. >> This function creates wor

[R] Problem on using Rexcel in the vba code

2009-11-19 Thread anna_l
Hello everybody, I started to use Rexcel and I am getting an error with the following code: Sub AutoForma1_Clique() Call RInterface.StartRServer Call RInterface.RRun("setwd(""C:/Program Files/R/R-2.10.0/Working Directory"")") Call RInterface.RRun("getwd()") End Sub The error is the fo

[R] Problem with sqlSave

2009-11-19 Thread anna_l
Hello, the sqlSave function is used in order to write a dataframe on excel. This function creates worksheets using the attribute tablename and writes the data.frame in it. What I want to do is to create this data.frame but being able in case this worksheet already exists to delete the former datas

Re: [R] Writing a data frame in an excel file

2009-11-18 Thread anna_l
ate column format of the excel file back into date type. anna_l wrote: > > Thanks Karl, well I am getting an error now after the following sqlSave > command: > sqlSave( xlsFile, datas, tablename = 'Datas_and_coefficients', rownames = > FALSE ) > > --> [RODBC]

Re: [R] Writing a data frame in an excel file

2009-11-18 Thread anna_l
Thanks Karl, well I am getting an error now after the following sqlSave command: sqlSave( xlsFile, datas, tablename = 'Datas_and_coefficients', rownames = FALSE ) --> [RODBC] Failed exec in Update 22018 39 [Microsoft][Driver ODBC for Excel]invalid character value for the diffusion specification

Re: [R] Writing a data frame in an excel file

2009-11-18 Thread anna_l
Sorry Charlie, I didn´t understand that tablename=R Results was creating a worksheet. But the thing now is that it works very well when I write for the first time on the excel file but when I want to rewrite on it it gives the error i wrote before saying that Results already exists, is there a way

Re: [R] Writing a data frame in an excel file

2009-11-18 Thread anna_l
specified worksheet but I couldn´t find in the help on sqlSave how to do it. cls59 wrote: > > > anna_l wrote: >> >> Hello, I am having trouble by using the write.table function to write a >> data frame of 4 columns and 7530 rows. I don´t know if I should just use &

[R] Creating an excel file and manipulating it from R

2009-11-18 Thread anna_l
Hello everybody, I´ve been looking for a function that would create an excel file in my working directory where I would write my dataframe but I only found the functions to write or read in an existing file that you gave me on my former post or on some websites. I can´t find either functions to ma

Re: [R] Problems by saving Rprofile.site under vista

2009-11-18 Thread anna_l
Hello, I found a solution to the problem, quite easy. The R paste was on read-only, so I went to the properties/security. Apparently he considers me as a user and not an administrator when I open the files so I just gave the users ( me) the authorization to modificate and it worked. anna_l

[R] Writing a data frame in an excel file

2009-11-16 Thread anna_l
Hello, I am having trouble by using the write.table function to write a data frame of 4 columns and 7530 rows. I don´t know if I should just use a sep="\n" and change the .xls file into a .csv file. Thanks in advance - Anna Lippel new in R so be careful I should be asking a lt of que

Re: [R] Error on reading an excel file

2009-11-16 Thread anna_l
Thanks Charlie, well yes it included one row with two NA datas. I guess there is an explanation, let´s wait and see if someone knows more about it :) cls59 wrote: > > > anna_l wrote: >> >> Hello everybody, here is the code I use to read an excel file containing >>

[R] Error on reading an excel file

2009-11-16 Thread anna_l
Hello everybody, here is the code I use to read an excel file containing two rows, one of date, the other of prices: library(RODBC) z <- odbcConnectExcel("SPX_HistoricalData.xls") datas <- sqlFetch(z,"Sheet1") close(z) It works pretty well but the only thing is that the dat

Re: [R] Problems by saving Rprofile.site under vista

2009-11-16 Thread anna_l
help-boun...@r-project.org] > On Behalf Of anna_l > Sent: Friday, November 13, 2009 11:46 AM > To: r-help@r-project.org > Subject: [R] Problems by saving Rprofile.site under vista > > > Hello, I am trying to save some changes I have done on the Rprofile.site > under vista and i

Re: [R] Simple if else statement problem

2009-11-16 Thread anna_l
se another approach in this case > > P<-max(c(P1,P2)) > > Regards > Petr > > >> >> >> anna_l wrote: >> > >> > Hello, I am getting an error with the following code: >> > if( P2 > P1) >> > + { >> > + P&

Re: [R] Simple if else statement problem

2009-11-13 Thread anna_l
ok thanks guys for the help, indeed I assumed there was an explanation thank you duncan for giving it! -- View this message in context: http://old.nabble.com/Simple-if-else-statement-problem-tp26340336p26343665.html Sent from the R help mailing list archive at Nabble.com. _

Re: [R] Simple if else statement problem

2009-11-13 Thread anna_l
Ok Jim it worked, thank you! it´s funny because it worked with the first syntax in some cases... anna_l wrote: > > Hello, I am getting an error with the following code: > if( P2 > P1) > + { > + P<-P2 > + } >> else > Erro: unexpected 'else' in &qu

[R] Simple if else statement problem

2009-11-13 Thread anna_l
Hello, I am getting an error with the following code: if( P2 > P1) + { + P<-P2 + } > else Erro: unexpected 'else' in "else" > { + P<-P1 + } I checked the syntax so I don´t understand, I have other if else statements with the same syntax working. Thanks in advance -- View this message in context:

[R] Problems by saving Rprofile.site under vista

2009-11-13 Thread anna_l
Hello, I am trying to save some changes I have done on the Rprofile.site under vista and it doesn´t let me save the file saying that it can´t create the following file (Rprofile.site) and that I should check the pathfile or the file name. -- View this message in context: http://old.nabble.com

[R] Change working directory

2009-11-13 Thread anna_l
Hello, I am using setwd() to change the working directory but I have to enter it everytime I open R, is there a way to set this permanently as a working directory? Thanx =^D -- View this message in context: http://old.nabble.com/Change-working-directory-tp26337486p26337486.html Sent from the R

[R] Run an r file from the console

2009-11-12 Thread anna_l
Hello everybody, I am writing an r file in the same R working directory and I would like to know how can I just run the whole file by just entering the file´s name on the console. I put the file in the working directory but it didn´t work saying that the "file_name" object wasn´t found. In matla