DOC: Fix capitalization among headings in documentation files (#32550)#32991

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datapythonista merged 3 commits intopandas-dev:masterfrom

themien:bug_32550_part_3

Mar 30, 2020

Commits on Mar 24, 2020

Updated headers
themien
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Commits on Mar 25, 2020

Merge remote-tracking branch 'upstream/master' into bug_32550_part_3
themien
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Commits on Mar 30, 2020

Update comparison_with_stata.rst
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