R: rbind for ffdf where missing columns are added if not...

ffdfrbind.fill {ffbase} | R Documentation

## rbind for ffdf where missing columns are added if not available in one of the ffdf objects

### Description

rbind for ffdf where missing columns are added if not available in one of the ffdf objects.
Similarly as rbind.fill but for ffdf objects

### Usage

    ffdfrbind.fill(..., clone = TRUE)

### Arguments

`...` | 2 or more ffdf objects
`clone` | logical, indicating to clone the first ffdf object in ... or not before appending the other objects. Defaults to TRUE.

### Value

an ffdf where the ffdf objects are rbind-ed together. Missing columns in either one of the passed ffdf objects are set to NA values.

### Examples

    x <- ffdfrbind.fill( as.ffdf(iris),
                         as.ffdf(iris[, c("Sepal.Length", "Sepal.Width"
                                         , "Petal.Length")]))
    class(x)
    nrow(x)
    sum(is.na(x$Petal.Width))

[Package ffbase version 0.13.1 Index]