search for: _1998

Displaying 2 results from an estimated 2 matches for "_1998".

Did you mean: 1998
2015 Feb 08
3
Which function can change RNG state?
Today I struggled for hours to understand some unexpected package test results. It turned out that this is because package "parallel", buried deep in my dependencies, calls runif() during it's initialization and in this way changes the random number sequence. This seems to be a part of a more general question--which kind of functions can we trust if we want to preserve random
2015 Feb 08
0
Which function can change RNG state?
...(RNGkind)` which details that R 1.7.0 made a change when "Buggy Kinderman-Ramage" was added as the old value, and "Kinderman-Ramage" was repaired. There once was a similar fix in the very early days of the Mersenne-Twister which is why the GNU GSL has two variants with suffixes _1998 and _1998. So your issue seems like pilot error to me: don't attach the parallel package if you do not plan to work in parallel. But "do if you do", and see its fine vignette on how it provides you reproducibility for multiple RNG streams. In general, you can very much trust R (an...