Convert disk.frame to data.frame by collecting all chunks

# S3 method for disk.frame
as.data.frame(x, row.names, optional, ...)

Arguments

x

a disk.frame

row.names

NULL or a character vector giving the row names for the data frame. Missing values are not allowed.

optional

logical. If TRUE, setting row names and converting column names (to syntactic names: see make.names) is optional. Note that all of R's base package as.data.frame() methods use optional only for column names treatment, basically with the meaning of data.frame(*, check.names = !optional). See also the make.names argument of the matrix method.

...

additional arguments to be passed to or from methods.

Examples

cars.df = as.disk.frame(cars) as.data.frame(cars.df)
#> speed dist #> 1 4 2 #> 2 4 10 #> 3 7 4 #> 4 7 22 #> 5 8 16 #> 6 9 10 #> 7 10 18 #> 8 10 26 #> 9 10 34 #> 10 11 17 #> 11 11 28 #> 12 12 14 #> 13 12 20 #> 14 12 24 #> 15 12 28 #> 16 13 26 #> 17 13 34 #> 18 13 34 #> 19 13 46 #> 20 14 26 #> 21 14 36 #> 22 14 60 #> 23 14 80 #> 24 15 20 #> 25 15 26 #> 26 15 54 #> 27 16 32 #> 28 16 40 #> 29 17 32 #> 30 17 40 #> 31 17 50 #> 32 18 42 #> 33 18 56 #> 34 18 76 #> 35 18 84 #> 36 19 36 #> 37 19 46 #> 38 19 68 #> 39 20 32 #> 40 20 48 #> 41 20 52 #> 42 20 56 #> 43 20 64 #> 44 22 66 #> 45 23 54 #> 46 24 70 #> 47 24 92 #> 48 24 93 #> 49 24 120 #> 50 25 85
# clean up delete(cars.df)