Dear R-users,
Recently, I have come across a weird problem. I run a large number of
iterations and at one of the step within each iteration, I calculate the eigen
values of a updated covariance matrix. From all my intermediate output, the
code freezes after printing out the covariance matrix but before printing out
the eigen values. So, obviously it stops at the only step, the eigen() function
calculation. However, it didn't give any error message from this eigen
function. Also, when I copy the printed out covariance matrix over and
calculate its eigen function, there is no problem of giving the answer. So,
nothing is wrong with this covariance matrix either. I suspect that probably
during these iteration, I have returned too many objects or R had sth wrong
with the memory allocation or ...... I have no idea how to debug it so far
since I can't go into the eigen function step by step each time is run. If
someone has any similar experience or good advice on debugging this problem, I
would really appreciate it. Thanks!
Jingqin
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