BUG: zscore and zmap handle the axis keyword incorrectly (Trac #1575)

[scipy-gitbot]

Original ticket http://projects.scipy.org/scipy/ticket/1575 on 2011-12-17 by @WarrenWeckesser, assigned to unknown.

As discussed in the mailing list starting here:

http://mail.scipy.org/pipermail/scipy-user/2011-November/031100.html

there is a bug in stats.zscore and stats.zmap. The bug is simply a misplaced parenthesis. For zscore, this

        return ((a - np.expand_dims(mns, axis=axis) /
                 np.expand_dims(sstd,axis=axis)))

should be this

        return ((a - np.expand_dims(mns, axis=axis)) /
                 np.expand_dims(sstd,axis=axis))

[scipy-gitbot]

@WarrenWeckesser wrote on 2011-12-17

Pull request with fix: #116

[scipy-gitbot]

@WarrenWeckesser wrote on 2011-12-21

Fixed in d0b840e2ad27f6049392e2bcb67d874e4b8fbfde