[R] debug vs regular mode

[Zhang, Peng]

Dear all,

I had a R segmentation fault, and then invoked debug mode and ran step 
by step.

When I reached "terms(Y~X1*X2*...*X16)", I would then have 
"segmentation" fault. However, if I just ran this under regular "R 
interactive" mode, it would be fine though taking long time.

My questions are:
1. Is there a known limit of terms for a formula?
2. Why does the same function behave differently under debug and regular 
mode?

Thank you!

Best,
Peng
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