Using $ in subset.ffdf statement fails

edwindj / ffbase

Basic (statistical) functionality for R package ff

github.com/edwindj/ffbase/wiki

35 stars 15 forks source link

Open edwindj opened 10 years ago

edwindj commented 10 years ago

(Thanks to Frank Witmer)

The following statement fails in version 0.11.1

iris_ffdf <- as.ffdf(iris)
subset(iris_ffdf, iris_ffdf$Species == "virginica")

In this case it can be fixed by specifying:

iris_ffdf <- as.ffdf(iris)
subset(iris_ffdf, Species == "virginica")