def regress_predict(fqdn, result, yP=None, *argl, **argd):
<EOL>out = {}<EOL>_percent_match(result, out, yP, *argl)<EOL>if auto_print:<EOL><INDENT>msg.okay(out, -<NUM_LIT:1>)<EOL><DEDENT>return out<EOL>
Analyzes the result of a regression algorithm's prediction. See also
    :func:`predict` for explanation of arguments.

    .. todo: update the metric to be useful.