[R] strsplit with invalid regular expression

2012-11-08 Thread Bharat Warule
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 - Bharat Warule Pune -- View this message in context: http://r.789695.n4.nabble.com/strsplit-with-invalid-regular-expression

[R] convert ff_vector object into as.Date

2012-10-29 Thread Bharat Warule
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-vector-object-into-as-Date-tp4647753.html Sent from the R help

[R] Delete first row

2012-10-26 Thread Bharat Warule
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

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

2012-10-26 Thread Bharat Warule
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

Re: [R] Split CSV as per file size

2012-08-10 Thread Bharat Warule
} 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: http://r.789695.n4.nabble.com/Split-CSV-as-per-file-size

[R] Warning message with read.csv.sql

2012-07-12 Thread Bharat Warule
/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 - Bharat Warule Cypress Analytica

[R] Rare event in logistic regression

2012-06-07 Thread Bharat Warule
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

[R] Merging multiple data sets

2012-05-16 Thread Bharat Warule
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 - data.frame(x11=c

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

2012-04-10 Thread Bharat Warule
] - “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.n4.nabble.com/Within-is-working