in Figure 4, as the labeling problem has now been fixed.

ENH: sudnya's edits for the image classification chapter. Note: conve…

ENH: sudnya's edits for the image classification chapter. Note: convert-markdown-into-ipynb..............................................Failed

clean recognize digits

clean up understand_sentiment code

Remove obsolete files in SRL.

Remove convert ipynb in hooks

Add missing index file

* Because we do not explicitly add ipynb files in book. They are
  generated by script.

clean v1 script in machine translation

Fix convert_markdown_into_ipynb script

Feature/refine frontpage

Cleanfitaline

* User could use convert tools in PATH

Add V2 code for recommendation

convert markdown to ipynb file and check them

update paddle install tutorial link to docker install readme

add l2 regularization to reduce fpe English README part

fix according to comments for PR 175

refine sentiment en_doc

Separate English/Chinese README.md and fix yapf config in pre-commit