similar to: paired repeated measurements

Dear R colleagues, I am trying to create a new column in a data frame, which converts values and NA's from another column into binary format. Essentially I need the NA's to become 1 and the rest to be 0. The code I wrote is returning the following error message: Error in if (mort[i, 4] != NA) mort[i, 8] <- 0 else if (mort[i, 4] == : missing value where TRUE/FALSE needed

Hello, I have two classifications. How can I compare the overall-accuracy of these classifications to each other? Is there a possibility within R to test if the achieved overall-accuracy for the classifications are differing significantly? Additionaly, are the McNemar-Test and Broker-Test implented in a package of R? Thank in advance for your help, Markus

Hi list I'm looking for statisitic measurements describing the pattern of points within a given polygon. Is there a function calculating the Index of Dispersion and/or are there other functions summarising an observed pattern? Markus Schwarz ..................................................................... Markus Schwarz Wissenschaftliche Mitarbeiterin Eidg. Forschungsanstalt WSL

Dear list, I calculated the kappa-accuracy for two differnt classifications. How can I test now the two kappa-value for significance? thanks, Mark ..................................................................... Markus Schwarz Wissenschaftliche Mitarbeiterin Eidg. Forschungsanstalt WSL Forschungsprogramm Musterland Z??rcherstrasse 111 CH-8903 Birmensdorf Telefon +41-44-739 22 87 Fax

Dear all, I would like to multiply two matrixes with the different dimension column by column. Let make an example: If I have two matrixes "X" and "Y"as follow: X<- matrix(1:12, nrow=4, ncol=3, dimnames=list(c("A","B","C","D"), c("stage1","stage2","stage3"))) Y<- matrix(1:28, nrow=4, ncol=7,

Hi, Sorry to bother, but I checked around and did not succed creating a bundle from six existing packages (which are checkable, installable, etc. individually). I carefully followed the procedure given in ch. 1.1.5 Package bundles. However, I am getting hoffmann at fluke:~/R/Sources >R CMD check cwhmisc * checking for working latex ... OK * using log directory

Dear r-users! I would like to cross two data frame which have the same row number but different in the number of column. Can anybody help me for this case ? Thanks a lot in advance -------------------------------------------------------------------------------- Majid Iravani PhD Student Swiss Federal Research Institute WSL Research Group of Vegetation Ecology Z?rcherstrasse 111

Dear, Some analysis (linear regression) can only be done from a vectorized dataset whereas others require a matrix (Mantel tests). I use the two analyses and thus need to format my data in matrix and vector. I spent some time trying to solve the problem and I just gave up. Did anyone knows how to transform a matrix into a vector and back-transform a vector into a matrix? Thanks by

Hi there I hope that I am in the right forum. I am working on Win2000 PC connected via Exceed 6.0.1.0 to a SunOS fluke 5.9 Generic_118558-11 sun4u sparc SUNW,Sun-Fire-480R There I am using Mozilla Firefox 1.0.7 as a browser. I am having difficulties viewing .html files. Their first pages are displayed normally, black on white, links in blue. When I scoll down, the pages appear black

Dear R users, I have a dataframe with two columns: first column is date data (e.g. 1/1/2000 with character format: daily data from 1/1/1970 till 31/12/2003) and second column is temperature value. Now I'd like to calculate mean for each month in a year (i.e. May 2001, June 1997) and mean for each month in all of years. As the number of days in some months is different from others I could

Hi there, I am interested in the inner workings of wilcox.test: > wilcox.test function (x, ...) UseMethod("wilcox.test") <environment: namespace:stats> how can I get at the code, if it is R-code? For Methods one should be able to learn what extension to use, but here default or such do not help. Is there a wayplot.default to learn which different versions of

Hi, I am trying to use sub, regexpr on expressions like log(D) ~ log(N)+I(log(N)^2)+log(t) being a model specification. The aim is to produce: "ln D ~ ln N + ln^2 N + ln t" The variable names N, t may change, the number of terms too. I succeded only partially, help on regular expressions is hard to understand for me, examples on my case are rare. The help page on R-help

Hi, This may belong more to r-develop, but general discussion may be useful (for the how many-th time ?) seq(2,5,-2) seq(5,2,2) both result in Error in seq.default(2, 5, -2) : wrong sign in 'by' argument But often, if not always, mathematicians and programmers want a behaviour e.g. in for loops, where this statement results in an empty statement, that is for (ii in seq(2,5,-2))

Dear R-users I want to save a list with characters a point plot and a Venn diagram in a single pdf page. I am successful to do this when I use a character list and two point plots. However when I try to replace the first point plots with my Venn diagram (built with Vennerable package, compute.Venn() and plot.Venn()) the Venn plot will not position at the right place in the pdf. I guess there

On Wed, 18 Nov 2020 at 10:26, Tomas Kalibera <tomas.kalibera at gmail.com> wrote: > > On 11/17/20 9:34 PM, Bill Dunlap wrote: > > I just got a new Windows laptop (i7, 10th generation CPU), installed > > 'Windows Subsystem for Linux 2' and then installed Ubuntu 20.04 and > > used 'apt-get install' to install packages that the R build seems > > to

Hello Cracks, we want to import 10 x 365 files containing each 7 variables with 1211 rows. The filenames end with numbers from 1 to 365. We tried a for loop to import using read.table but we couldn't create the r objects within the loop. We want each file in an own r-objekt (matrix). Does anyone know what can be done? Thanks, Felix -- Felix Tiefenbacher Eidg. Institut f?r Schnee- und

I have a strange problem that I have been experienceing with dovecot: Dovecot version : 0.99.10.4-1 Using IMAP: When I restart the OS (windows XP) and open up Outlook 2002 SP2 I don't automatically get my IMAP folders on the DOVECOT imap server. (the one on the uw_imap server open up straight away) When I click on inbox I cam given a message saying : unable to connect to imap folders

Hi all, I just cannot think of how to do it: I want to take the first variable (column) of a data frame and regress it against all other variables. bla <- function (dat) { reg <- lm(whateverthefirstofthevariablenamesis ~., data=dat) return(reg) } What kind of function do I have to take instead of the whateverthefirstofthevariablenamesis, eval(), substitute(), get(), ... to

Hi there, (sorry Martin, ich habe den falschen Empfaenger erwischt :-( ) Is there a function in the base package or elsewhere which returns TRUE and not NA, even if NA is involved: (I did not find in the help system :-( ) if ( x==something & !is.na(something)) or if ( x==something & !is.na(x==something)) If "something" is complicated, a function would be handy. Thanks

Hi, I would like to know if it is possible to get printed output while a loop is taking place. Example: for(i in 1:10){ print(i) some long process } This will print the values of i only after the loop is finished, what I would like is to see them when the process enters the i-th iteration to keep track of how the program is running. Thank you, Gilda