[Rd] R crashes for large formulas in lm() (PR#8180)
B.Rowlingson@lancaster.ac.uk
B.Rowlingson at lancaster.ac.uk
Wed Oct 5 14:10:31 CEST 2005
Prof Brian Ripley wrote:
> OK, let's try to reproduce that:
>
>
>>x1 <- runif(1000)
...
>>y <- rnorm(1000)
>>fit <- lm(y~(x1*x2*x3*x4*x5*x6*x7*x8)^2)
>
>
> No crash, a quite reasonable fit.
Add one more:
> x9 <- runif(1000)
works with 8:
> fit <- lm(y~(x1*x2*x3*x4*x5*x6*x7*x8)^2)
but go 'one over the eight' and:
> fit <- lm(y~(x1*x2*x3*x4*x5*x6*x7*x8*x9)^2)
Segmentation fault
platform i686-pc-linux-gnu
arch i686
os linux-gnu
system i686, linux-gnu
status
major 2
minor 1.1
year 2005
month 06
day 20
language R
Baz
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