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Hi! All, I have large correlation matrix Cor. I wish to calculate average correlation coefficient for this matrix. Is there any function in R to do this? Thanks in advance. Amit

has anyone accessed Haver from R ? I have their api for connection to vb , c++ and other softwares...has anyone tried to use that api with R ? Any other help in this regard would be much appreciated. Thanks Amit

Dear Matteo, Are there any plans to enable multicore in Whittaker smoothing function? I use your MODIS package on regular basis and multicore calculations would make my life easier. Keep up the great work Amit [[alternative HTML version deleted]]

Hi I am trying to conduct a Bartlett test between two groups Samp 1 and Samp 2, both of which are vectors of equal length. I cant find any information on how to do this. Does the data need to...

I am trying to perform hierarchical clustering and evaluating it using ClusterClit Package, my code is attached.my problem is that in each iteration even if my data is different in extCriteria() function but it is giving same result every...

Hi All, Can anyone point to any package/resouce to schedule a job in R which runs a .R file at a specified time ? I couldn't find anything useful in R Reference manual or RSiteSearch. I am sure its...

Hi I have a vector of data lets call zz (40 values from 4 samples) the data is already in groups, i can even split up the samples using SampA <- zz[,2:11] SampB <- zz[,12:21] SampC <- zz[,22...

HI,I am analyzing a risk model for type 2 diabetes using a logistic regression. In the final model I have only 6 predictors. The regression gives correct output (fullmod is the fitted model). Now I? try to do cross...

Hi I have 2 sets of data that I want to do a Wilcoxon test on. They are of the same dimension. One has 4 zero values and the other has 5. > dim(SampA) [1] 1 10 > dim(SampV) [1...

Dear Board members 1. Is there a way to extend the use of midasr package toi dcc models uin rmgarch/rugarch/fgarch? I need your help and support Best Regards Amit -- ______________________________ Amit Mittal Pursuing Ph.D. in Finance and Accounting...

I have csv files imported in r each with 2 columns and many many rows. I have sorted the data in them but want to extract some values. The first column is an ID The second is a p-value...

Hi I have used the amelia command from the Amelia R package. this gives me a number of imputed datasets. This may be a silly question, but i am not a statistician, but I am not sure how to combine...

Hi I have a dataset from biological data with forty samples whichh relate to four different treatments. Each sample has thousands of values but as usuual contains missing values I want to use EM to imput these missing values. I...

Hi I am trying to calculate the row sums of a matrix i have created The matrix ( FeaturePresenceMatrix) has been created by 1) Read csv 2) Removing unnecesarry data using [-1:4,] command 3) replacing all the NA values with...

Hi All, Before writing a simple formula intereter in R myself, i wanted to find out if any one has done it before. I could not locate it myself. I am looking for something like this - take a dataframe and...

Hi I have a dataset from biological data with forty samples whichh relate to four different treatments. Each sample has thousands of values but as usuual contains missing values I want to use knn to imput these missing values. I...

Hi,I am having a problem with the ReadAffy() in the university R programming environment. I install affyPLM and invoke library(affyPLM) in the following way. I have the cel files in the craig subdirectory. Please let me know how...

Hi, I have a bunch of csv files to read in R. I'm unable to read them correctly because in some of the files, there is a column ("Role") which has comma in the values. Sample data: User, Role...

Hi I have managed to do a paired t-test with a data set i have 5 colums of data im dealing with GENE SampA SampB SampC SampVehicle ctcc 859 na 145 24 gtcg 45 5 54 69 and so...

Dear List, I want use plotKML to plot RasterTimeSeries graphs for a large raster stack (300 images, 500 km x500 km). Clearly, I have to produced hundreds of small kmls. But I cannot display them at once. <Region> could help...