[R] object size versus saved size?

[luckjiff]

Posting under new subject.

I’ve a question on saving a earth object to disk.
Say m is the model then
print(object.size(m), units=”Mb”)
163.8 Mb
and save it off
save(m, “tmp.rda”)
and “tmp.rda” is roughly 171Mb file.

I would like this to be much smaller.
So I try
m$bx<-NULL
then
print(object.size(m), units=”Mb”)
14.9 Mb Great!
however when I save it off
save(m, “tmp.rda”)
and “tmp.rda” is roughly 171Mb file – the same size.

I do not care about the size of the file per se, I care about loading a
smaller object at a future date. 

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