pandas处理参考手册，基于python3案列，本书是一本toolkit，对提高pandas技巧有相当实用性，共1579页。CONTENTS
1What’sNew
1.1v0.15.2( december12,2014).
1.2v0.15.1( November9,2014)
1.3V0.15.0( ctober18,2014).
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..14
1.4V0.14.1(July11,2014
41
1.5V0.14.0(May3l,2014)
47
1.6V0.13.1( February3
