Created
July 19, 2017 15:48
-
-
Save timehaven/3458d168b70eb2ede67c8db7bc057e5c to your computer and use it in GitHub Desktop.
Revisions
-
timehaven created this gist
Jul 19, 2017 .There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,16 @@ while 1: ... df = df.sample(frac=1) # shuffle all rows ... i, j = 0, batch_size for _ in range(nbatches): sub = df.iloc[i:j] idx = sub.index.values X2 = bcolz.open(bcolz_dir)[idx] ... # Calculate X and Y appropriately ... yield [X, X2], Y i = j j += batch_size ...