[R] Need help in function itemFrequency() function - Apriori Algorithm

Hi , I am trying the to implement Apriori algorithm with a sample data set . i am trying to find the itemFrequency of the items in the data set . but i am getting the error as below . i load the data from excel and save the dataset in "mydata" *> itemFrequency(mydata) Error in function (classe

[R] Rcurl package for windows - Need help

Hi All, Where can i download Rcurl package for windows. Regards, Santosh -- View this message in context: http://r.789695.n4.nabble.com/Rcurl-package-for-windows-Need-help-tp4631799.html Sent from the R help mailing list archive at Nabble.com. __ R-

[R] Need Help in K-fold validation in Decision tree

Hi , I have built decision tree using rpart . I want to do k Fold validation on the decision tree . Could you help how can i do that .. please tell the package which required for K fold validation. Regards, Santosh -- View this message in context: http://r.789695.n4.nabble.com/Need-Help-in-K

[R] HOw compare 2 models in logistic regression

Hi, I have created 2 models in logistic regression and got the predictor values are significance on output. Here are 2 summaries of 2 model. HOw can we compare 2 models by what factor or coefficient and say which model is best Please help --

[R] Removing the rows from dataset

Hi, I have data set where i have col1,col2,col3,col4 i want to write a condition where the rows has to removed from the dataset for col1>10 Please help, Thanks Santosh -- View this message in context: http://r.789695.n4.nabble.com/Removing-the-rows-from-dataset-tp4585710p4585710.html Sent fro

[R] need explaination on Rpart

Hi, I am learning decisions trees using R ..I used RPART to create decision maps. when i saw the summary .. i got CPnsplit rel errorxerror xstd Could anyone make me understand terms here CP,relerror xerror and xstand. or could you please provide the detailed blog where i can le

[R] Calling Dynamic Variables names

HI, Need help in calling the dynamic variables I have 2 datasets . FIrst one(mdata) is having the metadata and second one(dataset) has got the data. sample *mdata * Variable (header) attribute1 attribute2 attribute3 attribute4 *dataset * attribute1 attribute2 attribute3attribut