About random batch sampling#2
Open
terryum wants to merge 1 commit intosjchoi86:masterfrom
terryum:patch-1
Open
About random batch sampling#2terryum wants to merge 1 commit intosjchoi86:masterfrom terryum:patch-1
terryum wants to merge 1 commit intosjchoi86:masterfrom
terryum:patch-1
Conversation
To be honest, it's hard to understand the role of ```if 0: else:``` statements in the minibatch learning for-loop. I think using only ```mnist.train.next_batch(batch_size)``` can make decent results. I realized that if I use the *Random batch sampling* only, the performance decreases from 91-ish to 87-ish. The reason is that random sampling doesn't exploit the whole set because of duplicated samples. I changed this part by using ```np.random.permutation(n_train)``` to cover all data at each epoch.
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 characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
To be honest, it's hard to understand the role of
if 0: else:statements in the minibatch learning for-loop.I think using only
mnist.train.next_batch(batch_size)can make decent results.I realized that if I use the Random batch sampling only, the performance decreases from 91-ish to 87-ish.
The reason is that random sampling doesn't exploit the whole set because of duplicated samples.
I changed this part by using
np.random.permutation(n_train)to cover all data at each epoch.