search for: asffdf_arg

Hi, The read.csv.ffdf function in package ff will create the ff object physical file in the default directories, I am trying to let the files created in the paths users specify, I think the point is to make use of the asffdf_args parameter, I have a test CSV file named D:\rtemp\fftest.csv, the content of the file is as following: col1,col2,col3 1,"amber",2.4 2,"linda",4.5 I tried the following code, hoping ff will create the physical files for col1,col2 and col3 to D:/a.f,D:/b.f,D:/c.f respectively...

...to read a large .csv file into R. I ran the following code and am using R version 10.1 on Windows. >library(ff) > read.csv.ffdf(x=NULL,"file.csv",fileEncoding="",nrows=-1,first.rows=NULL,next.rows=NULL,levels=NULL,appendLevels=TRUE,FUN="read.table",transFUN=NULL,asffdf_args=list(),BATCHBYTES=getOption("ffbatchbytes"),VERBOSE=FALSE) Error in read.table.ffdf(FUN = "read.csv", ...) : formal argument "FUN" matched by multiple actual arguments Can anyone help me to fix this error. Thanks in advance. -- View this message in context: http...

...my.as.ffdf.data.frame, ns="ff", envir=as.environment("package:ff")) assign("as.ffdf.data.frame", my.as.ffdf.data.frame, as.environment("package:ff")) lockBinding("as.ffdf.data.frame", as.environment("package:ff")) asffdf_args=list(col_args=list( list(filename = "tmp/a.ff", overwrite=TRUE, readonly=TRUE), list(filename = "tmp/b.ff", overwrite=TRUE, readonly=TRUE)))