[Numpy-discussion] How to merge or SQL join record arrays in Python?
Mon May 11 17:36:08 CDT 2009
On May 11, 2009, at 6:18 PM, Wei Su wrote:
> Thanks for the reply. I can now actually turn a big list into a
> record array. My question is actually how to join related record
> arrays in Python.. This is done in SAS by MERGE and PROC SQL and by
> merge() in R. But I have no idea how to do it in Python.
OK. Try numpy.lib.recfunctions.join_by, and let me know if you have
any problem. It's a rewritten version of an equivalent function in
matplotlib (matplotlib.mlab.rec_join), that should work (maybe not,
there hasn't been enough testing feedback to judge...)
More information about the Numpy-discussion