[R] strsplit with invalid regular expression

on '\sin(', reason 'Missing ')'' When I am going to split with "(" it’s working fine but when i want use "sin(" this is not working. I understand that, I am missing something can anybody please point me. Thanks for your help. Thanks, Bharat ---

[R] convert ff_vector object into as.Date

al) : do not know how to convert 'y_in_ffdf$dateval' to class "Date" y_in_ffdf <- y_in_ffdf[ffwhich(y_in_ffdf$dateval >= max_span_start_date),] Thanks, BHarat - Bharat Warule Pune -- View this message in context: http://r.789695.n4.nabble.com/convert-ff-vect

Re: [R] help with read.table.ffdf parameters

Thanks MCOM, This is really helpful for me. - Bharat Warule Pune -- View this message in context: http://r.789695.n4.nabble.com/help-with-read-table-ffdf-parameters-tp3223805p4647527.html Sent from the R help mailing list archive at Nabble.com

[R] Delete first row

Hi, I have to delete first row from my csv file but I don’t want to read total data in to R memory (size is around 10GB). Actually, I want to use LAF package but which read data without header. Can anybody help me to resolve this problem? - Bharat Warule Pune -- View this message in

Re: [R] Split CSV as per file size

es){ e_l <- length} read_data_new <- read_data[s_l:e_l,] newname <- paste("read_data",i,sep="_") assign(read_data_new,newname) ### write ur output data code } - Bharat Warule Cypress Analytica , Pune -- View this message in context:

[R] Warning message with read.csv.sql

ule/big_data_July” inFile_sql <- file.path(ip_dir_path, "cypress_modeldev_account_info.csv") input_abt <- read.csv.sql(inFile_sql,sql = s) Warning message: closing unused connection 3 (D:/BharatWarule/big_data_July/cypress_modeldev_account_info.csv) Thanks, Bharat - Bha

[R] Rare event in logistic regression

Hello, I am working with logistic analysis in which event rate is 0.005% with large requirds. Is there is any R package which handle rare event in logistic regression. Please let me know? Thanks for your help. Thanks, Bharat - Bharat Warule Cypress Analytica , Pune -- View this

[R] Merging multiple data sets

Hello R user, I have four data sets in dir "D:/Bharat Warule/Rdata_file" which are output_data_prod_1.rda, output_data_prod_2.rda, output_data_prod_3.rda, output_data_prod_4.rda. Each data set is huge size like number of rows 343297 and columns are near to 50. For example: x1 <- d

[R] “Within is working or not in loop”

>= insurance_bal] <- “class1” )} “I am not sure about why within is working inside for loop or not. I did not get any error but when ran this for j=1 then it will create duplicate columns in data. - Bharat Warule Cypress Analytica , Pune -- View this message in context: http://r.789695.n