Coerce coops results to numeric, account for data results not named "data", add examples#129

Merged

sckott merged 4 commits intoropensci:masterfrom jsta:master

Jan 2, 2016

+123-10

Commits on Dec 29, 2015

datums and predictions return one length list with non-data name
jsta
committed
coerce numeric results
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add examples for nearly all products
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remove stray parentheses
jsta
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