'pandas使用'

Day76-90/02.Pandas的应用.md

 ## Pandas的应用
 
+### 1、pandas入门
+
+### 2、pandas索引
+
+### 3、pandas数据清洗之空数据
+
+[数据挖掘之空数据处理（有史以来最全面）]: https://blog.csdn.net/Soft_Po/article/details/89302887
+
+### 4、pandas多层索引
+
+### 5、pandas多层索引计算
+
+### 6、pandas数据集成concat
+
+### 7、pandas数据集成merge
+
+### 8、pandas分组聚合操作
+
+### 9、pandas数据集成实战
+
+### 10、美国大选项目
+
+[2012美国大选政治献金项目数据分析（有史以来最全面）]: https://blog.csdn.net/Soft_Po/article/details/89283382
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Day76-90/code/state-abbrevs.csv

+"state","abbreviation"
+"Alabama","AL"
+"Alaska","AK"
+"Arizona","AZ"
+"Arkansas","AR"
+"California","CA"
+"Colorado","CO"
+"Connecticut","CT"
+"Delaware","DE"
+"District of Columbia","DC"
+"Florida","FL"
+"Georgia","GA"
+"Hawaii","HI"
+"Idaho","ID"
+"Illinois","IL"
+"Indiana","IN"
+"Iowa","IA"
+"Kansas","KS"
+"Kentucky","KY"
+"Louisiana","LA"
+"Maine","ME"
+"Montana","MT"
+"Nebraska","NE"
+"Nevada","NV"
+"New Hampshire","NH"
+"New Jersey","NJ"
+"New Mexico","NM"
+"New York","NY"
+"North Carolina","NC"
+"North Dakota","ND"
+"Ohio","OH"
+"Oklahoma","OK"
+"Oregon","OR"
+"Maryland","MD"
+"Massachusetts","MA"
+"Michigan","MI"
+"Minnesota","MN"
+"Mississippi","MS"
+"Missouri","MO"
+"Pennsylvania","PA"
+"Rhode Island","RI"
+"South Carolina","SC"
+"South Dakota","SD"
+"Tennessee","TN"
+"Texas","TX"
+"Utah","UT"
+"Vermont","VT"
+"Virginia","VA"
+"Washington","WA"
+"West Virginia","WV"
+"Wisconsin","WI"
+"Wyoming","WY"
\ No newline at end of file

Day76-90/code/state-areas.csv

+state,area (sq. mi)
+Alabama,52423
+Alaska,656425
+Arizona,114006
+Arkansas,53182
+California,163707
+Colorado,104100
+Connecticut,5544
+Delaware,1954
+Florida,65758
+Georgia,59441
+Hawaii,10932
+Idaho,83574
+Illinois,57918
+Indiana,36420
+Iowa,56276
+Kansas,82282
+Kentucky,40411
+Louisiana,51843
+Maine,35387
+Maryland,12407
+Massachusetts,10555
+Michigan,96810
+Minnesota,86943
+Mississippi,48434
+Missouri,69709
+Montana,147046
+Nebraska,77358
+Nevada,110567
+New Hampshire,9351
+New Jersey,8722
+New Mexico,121593
+New York,54475
+North Carolina,53821
+North Dakota,70704
+Ohio,44828
+Oklahoma,69903
+Oregon,98386
+Pennsylvania,46058
+Rhode Island,1545
+South Carolina,32007
+South Dakota,77121
+Tennessee,42146
+Texas,268601
+Utah,84904
+Vermont,9615
+Virginia,42769
+Washington,71303
+West Virginia,24231
+Wisconsin,65503
+Wyoming,97818
+District of Columbia,68
+Puerto Rico,3515