contributors logos added to index screen footer
changed hyperlink to funding anchor - added same for the images
old footer removed for index page
removed little underscores appearing between images - caused by link added to images
DOC: Simpler cross-validation iterator doc
2-fold => 2-fold cross-validation
approximately the same percentage of samples
Remove spurious print statements in sample snippets to make the doc easier to follow
Lowercase y and more consistent blank line usage
skip perfect checkerboard test
Edit typo
Merge pull request #2418 from rsivapr/typo-docs

Edit typo
Merge pull request #2415 from kemaleren/skip_checkerboard

skip perfect checkerboard test
ENH : add score to PCA from ProbabilisticPCA
API : deprecating ProbabilisticPCA
misc
typo
ENH : make PCA scoring work with n_features is big. Avoid covariance computation in PCA.fit
DOC : remove reference to ProbabilisticPCA in doc
update what's new