similar to: selecting significant predictors from ANOVA result

Displaying 20 results from an estimated 500 matches similar to: "selecting significant predictors from ANOVA result"

2009 Jun 15
4
reading Excel file
Dear all,   I was using older version of R (installed early). I install new version of R (R.2.9.0) but i could not find package "xlsReadWrite" to read Excel file. Is there any alternatives to read Excel file ? I hope it should be. I need help although it is minor querry. Thanks in advance.   Sincerely, Ram Kumar Basnet Wageningen University, The Netherlands   [[alternative HTML
2008 Oct 27
3
Problem in installation of "Rgraphviz" package
Dear R users,   I am not so used to this R software. I have to use the package " Rgraphviz" but found some problem in the installation process. I download this package and store in R library but i am not getting this package in R installation list. I made review in google search net and use the following command:   ### source("http://bioconductor.org/biocLite.R")
2008 Dec 06
2
Barplot label
Dear all, I am trying to make barplot from matrix with "beside=FALSE". I have 165 labels in my bar plot. When i plot the label horizontally below the barplot, then all labels are not appear in the plot due to lack of space. I used the following function: barplot(t(bar), main="Barplot based on LCMS", ylab="RF membership Probability",   
2010 Dec 05
3
merging two vectors
Dear R users,   It may be very simple but it is being difficult for me. I have two vectors with some common string. And, i want to combine into a vector in such a way that it includes string from both vectors and make a unique.   For example:   x <- paste(rep("A",5),1:5,sep = ".") x [1] "A.1" "A.2" "A.3" "A.4" "A.5" y <-
2009 Nov 25
4
Importing many files from a single code
Dear R users,   Does somebody know the way to import many files by a single command in R ? I have 50 files in a directory and now, i am importing the files repeatedly (one by one). If there is a way to import all files at a time, it makes much more easy and save times too. Thanks in advance.     Sincerely, Ram Kumar Basent Wageningen University, the Netherlands   [[alternative HTML
2008 Sep 02
1
how to increase row number
Hi   I think this may be simple task but creating trouble to me. In my calculation, i have got large number of rows (5546) and column 182 but i am not able to see all the rows. May be somebody have idea how i can see all the rows ? I will be greatful if any body help me. Thanks in advance   Sincerely, Ram Kumar Basnet Graduate student Wageningen University Netherlands   [[alternative
2008 Nov 18
1
Statistical querry on Partial correlation test
Hi R users, I want to calculate the partial correlation (first or second order) and their corresponding significance test (p-value). I used > library(corpcor) and "cor2pcor" function to calculate partial correlation but could not calculate "p-value". If some one knows the R package or function to calculate corresponding "p-value", It will be great help. Thanks  
2009 Aug 04
2
error in Elastic net
Dear R users,   I am new user for elastic net. I am trying to use elasticnet library. I have marker data with 359 markers and 168 samples, and response is metabolites. I am trying to do regression between a metabolite and markers.  But i am getting the following error:   > en<-enet(marker,as.numeric(vio),lambda=0.5,normalize=FALSE,intercept=TRUE) Error in one %*% x : requires numeric
2009 Dec 15
1
Type III sum of square in ANOVA
Dear all,   Does some body have idea on how to extract Type III sum of Square from "lm" or "aov" function in R ? I could not figure out it.   If this is minor and irrelevant to post in this mail, I am sorry for that. Thanks.     Sincerely, Ram Kumar Basnet Wageningen University, Netherlands   [[alternative HTML version deleted]]
2011 Nov 16
2
Conversion of symmetry matrix into a vector
Dear R users, I am not good in R-language programming. So, i need your help. I want to convert my lower-triangle value of symmetry matrix into a vector with their row and column name. I found a function called "sm2vec" in "corpcor" package but it give only a vector of values but not row and column names. But i also want ROW and COLUMN name together with their corresponding
2013 Apr 19
5
how to subtotal by rows
Dear R-users, I have a dataset as like below, and I want to subtotal the values of rice,wheat and maize by year for each fid. fid      year     rice     wheat      maize ------------------------------------------------ 1        1995      5        NA           NA 1        1995      NA        3           NA 1        1995      NA       NA           2 1        1996      4        NA           NA 1  
2008 Sep 05
2
Error: can not allocate vector of 117.3 Mb
Hi R users,   I am doing multiscale bootstrapping for clustering through pvclust package. I have large data set (observations 182 and variables 5546). When i tried to make bootstrapping, then i got message as "Bootstrap (r = 0.5)............Error: cannot allocate vector of size 117.3 Mb". I am new R user and could not understand what is the problem and also don't know the easiet
2009 Nov 27
2
matching and extracting data
Dear all, I have querry on how to extract the data by matching between two data set where one has the same elements multiple times?   For example, I have two matrix X and Y. > X    [,1]    [,2]       [,3] 1  A     5          P 2  B      6         P 3  C     7         P 4  D     5         Q 5  E      6         Q 6  F      7         Q 7  G     5          R 8  H     6          R 9  I       7
2008 Sep 15
1
how to plot PC2 vs PC 3 in PCA
Hi everybody,   I am doing principal component analysis (PCA) using "prcomp' function. When i did "Biplot", i did not found interesting result and it is based on Principal component (PC) 1 vs PC2. Now, i want to see"Biplot" in combination of either PC1 vs PC3 or PC2 vs PC 3. I did not get the ideas. Does any one have ideas ? I am optimistic on getting some idea.
2009 Jun 08
1
Random Forest % Variation vs Psuedo-R^2?
Hi all (and Andy!), When running a randomForest run in R, I get the last part of an output (with do.trace=T) that looks like this: 1993 | 0.04606 130.43 | 1994 | 0.04605 130.40 | 1995 | 0.04605 130.43 | 1996 | 0.04605 130.43 | 1997 | 0.04606 130.44 | 1998 | 0.04607 130.47 | 1999 | 0.04606 130.46 | 2000 | 0.04605 130.42 | With the first column representing the
2011 Dec 02
1
Error in Genetic Matching
Dear R Users, I am a novice learner of R software. I am working with Genetic Matching - GenMatch(), but I am getting an Error message as follows:  Error in GenMatch(Tr = Tr, X = X.binarynp, BalanceMatrix = BalanceMatrix.binarynp,  :    GenMatch(): input includes NAs Could you please suggest me correcting the above problem? My GenMatch command is, > gen1 <- GenMatch(Tr = Tr, X =
2008 Oct 01
1
Error: cannot allocate vector of size 117.3 Mb
Dear R users,   I am using RandomForest package. While using this package, i got "Error: cannot allocate vector of size 117.3 Mb" .........................message. I had this problem earlier too but could not manage. Is there any way to solve this problem or to increase vector size ? My data set is of 163 samples and 5546 variables. I tried through "? Memory" function to solve
2008 Sep 28
1
how to make subset of large data
I have very large data set. I want to make subset of data based on the matching. For example,   > x [1] "a" "b" "c" "f" > yy                                                                     "a" "-0.761988113636315" "-0.117672628171555" "-0.885641151614679" "b" "-1.13288279283289" 
2011 Aug 12
1
problem in asreml function in wgaim package
Dear R users,   I am trying to use "wgaim" package for QTL analysis using mixed model approach. But i am stuck with "asreml" function while using "wgaim" package. Do i need a separate package to activate "asreml" function beside "wgaim" package ?   If so, i tried to download "Asreml-R" package (i guess this is right package
2012 Jul 15
1
how to extract p-value in GenMatch function
Dear R-Users, I have a problem on extracting T-Stat and P-Value. I have written R-code below library("Matching") data("lalonde") attach(lalonde) names(lalonde) Y <- lalonde$re78 Tr <- lalonde$treat glm1 <- glm(Tr~age+educ+black+hisp+married+nodegr+re74+re75,family=binomial,data=lalonde) pscore.predicted <- predict(glm1) rr1 <-