similar to: info() function?

Displaying 20 results from an estimated 1000 matches similar to: "info() function?"

2006 May 30
3
Time rather than dates?
Using strptime() and other functions for dates has been very helpful with the kind of data I often work with. However, I haven't found out how time as such should be specified. All my attempts result in time *and* date: >treatment_time<-c("01:02:03","02:03:04") # hours:minutes:seconds >time.2<-strptime(treatment_time,format="%H:%M:%S") >time.2 [1]
2006 Mar 02
4
Skip last NA's?
I wonder if anyone could help me find an expression for skipping the last missing values in a vector? The kind of material I have is something like x<-c(23,12,NA,23,24,21,NA,NA,NA) I would like to skip the last NA's, but not the ones in between other vallues. Any hints? (Why not do this by simply take x[1:6]? I have several vectors a couple of thousand observations long with varying
2006 May 30
4
Add text/numbers to x axis?
Is there any simple way to add text to the x axis in R? I have tried to add simple characters in R without any greater sucess. As an example of what I want to do is the added C in the following "dumb" plot (produced with MacAnova using the option "dumb:T"): ++------+-------+------+-------+------+-------+------+-------++ 1+ :
2006 May 30
4
Automate concatenation?
I have this typical problem of joining a number of vectors with similar names - a1, a2,..., a10 - which should be concatenated into one. Using c(a1,a2,a3,a4,a5,a6,a,a8,a9,a10) naturally works, but I would like to do it with less manual input. My attempts to use paste() gives a vector of the vector names, see below. The question is how to do the the concatenation? Any suggestions?
2005 Sep 20
5
Add function to histogram?
Is there any neat way to add a curve (frequency function or the like) to a histogram or other plots? I haven't found one yet... Robert
2010 Feb 25
1
binding multidimension array
I don't find rbind, cbind or other bind that bind in other dimesions for multidimension array while keeping the result of the same dimension. For example, say, dim(x)=c(2,3,4), dim(y)=c(3,3,4). I want to have the result z, where dim(z)=c(2+3,3,4), when I bind x and y in the first dimenion. The bind can also be in the 2nd and 3rd dimesion. Could somebody let me know if this family of
2012 May 07
2
Matrix "BYTES" size
Dear R people. I´m facing a big problem. I need to create a matrix with 10.000 columns and 750.000 rows. matrix<- as.data.frame(matrix(data=0L, nrow=750000, ncol=10000) as you can see, the data frame has huge dimesions. I was able to find out about thr "L" in data, this way I´m telling that my data is "integer" class. By doing this object.size(matrix) tells me that this is
2009 May 24
2
Assigning variable names from one object to another object
Hello I have 2 datasets say Data1 and Data2 both are of different dimesions. Data1: 120 rows and 6 columns (Varname, Vartype, Labels, Description, ....) The column Varname has 120 rows which has variable names such id, age, gender,.....so on Data2: 12528 rows and 120 columns The column names in this case are V1, V2, ......... V120 (which are default names in R when we say head=F in read.csv)
2006 May 20
1
merge problem... extra lines appear in the presence of NAs
Good morning! I've searched the docs etc... Am I doing something wrong or is this a bug? I'm doing a merge of two dataframes and getting extra rows in the resulting dataframe - the dataframes being merged might have NAs... count <- 10 nacount <- 3 a1 <- as.data.frame(as.Date("2005-06-01")+0:(count-1)) names(a1) <- "mdate" a1$value <- runif(count)
2005 Apr 21
2
apply vs sapply vs loop - lm() call appl(y)ied on array
Christoph -- There was just a thread on this earlier this week. You can search in the archives for the title: "refitting lm() with same x, different y". (Actually, it doesn't turn up in the R site search yet, at least for me. But if you just go to the archive of recent messages, available through CRAN, you can search on refitting and find it. The original post was from William
2005 Feb 02
4
(no subject)
can you recommend a good manual for R that starts with a data set and gives demonstrations on what can be done using R? I downloadedR Langauage definition and An introduction to R but haven't found them overly useful. I'd really like to be able to follow some tutorials using a dataset or many datasets. The datasets I have available on R are Data sets in package 'datasets':
2011 Jun 22
3
Documenting variables, dataframes and files?
Every now and then I realize that my attempts to document what all dataframes consist of are unsufficient. So far, I have been writing notes in an external file. Are there any better ways to do this within R? One possibility could be to set up the data as packages, but I would like to have a solution on a lower level, closer to data. I can't find any pointers in the standard manuals.
2002 Feb 07
12
R graphs in LaTeX documents?
I have tried to find a neat way to include graphs from R in LaTeX documents, but have not succeeded (I work with a WinEdt/MikTeX combination). The two roads I have stumbled along so far are the following: *Generate postscript files and convert them into EPS files by means of GhostScript or other not so straightforward tools. *Generate pictex files and include these. None of these solutions have
2012 May 09
5
Dotchart showing mean and median by group
Given this example mean.values<-colMeans(VADeaths) mean.values<-apply(VADeaths, 2, mean) median.values<-apply(VADeaths, 2, median) dotchart(VADeaths, gdata=mean.values) dotchart(VADeaths, gdata=median.values) is it possible to ?combine? a single dotchart showing both the mean and the median for each single group (with different plotting symbols)? ?is it that possible with the use of
2001 Jan 18
2
dotplot: character size of labels
Dear R users, using dotplot (R1.2.0, WinNT4.0), I am trying to change the character size of the labels of the points: > # example > data(VADeaths) > dotplot(VADeaths, main = "Death Rates in Virginia - 1940") > # I'd like to have smaller character size of the labels (for age and population groups) > ?dotplot > # for argument "cex", this says:
2010 Jul 13
3
export tables to excel files on multiple sheets with titles for each table
Hello R-users, Checking the archives, I recently came across this topic: "export tables to Excel files" (http://r.789695.n4.nabble.com/export-tables-to-Excel-files-td1565679.html#a1565679), and the following interesting references have been proposed: http://rwiki.sciviews.org/doku.php?id=tips:data-io:ms_windows
2011 Aug 22
1
Using the ConText editor?
In my orgainzation, the people resonsible for the network are not that keen on setting up new software, so when I asked them to set up emacs or some other common R editor, I was told to have a look at ConText. This editor is avaliable in the network, and there is some R support. Special commands are highlighted and such, but the most important part, sending commands writtten in a ConText window
2012 Oct 19
3
títulos inclinados
Estimados compañeros, estoy dando vueltas a cómo poner los nombres de las provincias para que se sepa el valor que corresponde a cada una en el siguiente código: barplot(table(dg$prov), xlab="provincias", ylab="Frecuencia") Recuerdo que hubo un mensaje en el foro sobre el parámetro srt=90 para poner los títulos en vertical , pero no logro manejarlo. Gracias, Juan --
2007 Jan 17
2
label option in 'barplot'?
Hello all, When using the 'barplot' function, how would one go about creating labels on the top of the bars corresponding to the actual frequency values (i.e., the height of the bar). For histograms, one can use the 'LABEL=T' parameter to this effect, but it is not available for barplot. Must one manually create such labels for a barplot (perhaps using mtext)? Thanks.
2005 Nov 14
1
bug/feature with barplot?
I have found a bug/feature with barplot that at least to me shows undesireable behaviour. When using barplot and plotting fewer groups/levels/factors(I am unsure what they are called) than the number of colors stated in a col statement, the colors wrap around such that the colors are not fixed to one group. This is mostly problematic when I make R figures using scripts, since I sometimes have