sha,message,author_date,committer_date,raw_author,raw_committer,repo,author,committer
04df50efefecaea729133c14082eb5e24491633e,"weighted rolling mean -> weighted rolling sum (#2185)

An example of weighted rolling mean in doc is actually weighted rolling *sum*.
It is a little bit misleading (SO)[https://stackoverflow.com/questions/50520835/xarray-simple-weighted-rolling-mean-example-using-construct/50524093#50524093], so I propose to change 

`weighted rolling mean` -> `weighted rolling sum`",2018-05-25T10:38:48Z,2018-05-25T10:38:48Z,caabe6633d9bef7f2f52807cc5a1f477f3a077d4,1a0c5f6e7558375963ec136fae97c729cdec1df8,13221727,6815844,5635139