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Error in UseMethod("rleunpack")

1

I'm getting the following error no applicable method for 'rleunpack' applied to an object of class "list" When running the following code ffdfdply( prod_data, split = prod_data$X_UWI_DISPLAY, FUN=function(x){ summaryBy(GAS_CAL_DAY ~...

morganmadell

Hi, I am not familiar with Rcpp so please excuse me if I ask stupid question. I was trying to calculate variance of a variable through binned_sumsq. x is the...

tanruixin

Growing a ffdf data.frame on disk

5

Hi, Ed. How do you start an empty ffdf data.frame on disk and then grow it row by row (or col by col)?

kindlychung

physical not exported

5

If I import `load.ffdf, save.ffdf` from `ffbase` and use them in the R package I am developing, I got an error saying the function `physical` cannot be found. If I...

kindlychung

Having a period (.) in a table column name prevents merge and and ffdfdply from working

2

I'm running an ffdfdply operation. Something like this... ``` TrainingData

thequackdaddy

Example code: ``` library(ff) ff1

AudreyKarsons

Cannot overwrite using save.ffdf()

26

If you try to save a new version of a ffdf to a directory where you already saved it, you get a cryptic error: ``` save.ffdf(df, dir="df") Error in `filename

nalimilan

(Thanks to Frank Witmer) The following statement fails in version 0.11.1 ``` S iris_ffdf

edwindj

with() can give wrong results

31

This looks very serious. couples is a ffdf which is the result of merging adu with another ffdf, using all.x=TRUE. Thus, all the variables below are the same in couples...

nalimilan

require(ffbase) x

jwijffels