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View Code? Open in Web Editor NEWFastAI 2.0 notebooks with annotations
FastAI 2.0 notebooks with annotations
Some simple issues I found after a quick review:
In research notebook for chapter 4, an ensemble of binary classifiers (for the MNIST classification problem) is created which achieves ~90% accuracy on the validation set.
However, the strategy used to train the individual classifiers uses a general random sampling, which makes it perfectly legitimate that some of the samples will contain more classes of a certain digit.
Would the validation accuracy rise if we sampled the corresponding proportion from each digit class instead?
This is a common practice in fastai
notebooks and while it is probably harmless in the context of the course, I think it's a bad practice in general due to the potential for silent shadowing of function and variable names.
We should rewrite the notebooks to use the more commonly used practice of using a very short but common prefix. pandas
uses pd
, numpy
uses np
, seaborn
uses sns
, etc.
Some of the answers in the last section could use some correction in style and grammar.
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JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
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