国产探花免费观看_亚洲丰满少妇自慰呻吟_97日韩有码在线_资源在线日韩欧美_一区二区精品毛片,辰东完美世界有声小说,欢乐颂第一季,yy玄幻小说排行榜完本

首頁 > 編程 > Python > 正文

使用DataFrame刪除行和列的實例講解

2020-02-22 23:37:47
字體:
來源:轉載
供稿:網友

本文通過一個csv實例文件來展示如何刪除Pandas.DataFrame的行和列

數據文件名為:example.csv

內容為:

date spring summer autumn winter
2000 12.2338809 16.90730113 15.69238313 14.08596223
2001 12.84748057 16.75046873 14.51406637 13.5037456
2002 13.558175 17.2033926 15.6999475 13.23365247
2003 12.6547247 16.89491533 15.6614647 12.84347867
2004 13.2537298 17.04696657 15.20905377 14.3647912
2005 13.4443049 16.7459822 16.62218797 11.61082257
2006 13.50569567 16.83357857 15.4979282 12.19934363
2007 13.48852623 16.66773283 15.81701437 13.7438216
2008 13.1515319 16.48650693 15.72957287 12.93233587
2009 13.45771543 16.63923783 18.26017997 12.65315943
2010 13.1945485 16.7286889 15.42635267 13.8833583
2011 14.34779417 16.68942103 14.17658043 12.36654197
2012 13.6050867 17.13056773 14.71796777 13.29255243
2013 13.02790787 17.38619343 16.20345497 13.18612133
2014 12.74668163 16.54428687 14.7367682 12.87065125
2015 13.465904 16.50612317 12.44243663 11.0181384
season spring summer autumn winter
slope 0.0379691374 -0.01164689167 -0.07913844113 -0.07765274553

刪除行

In [1]:import numpy as npimport pandas as pdodata = pd.read_csv('example.csv')odataOut[1]:date  spring  summer  autumn  winter0  2000  12.2338809  16.9073011333  15.6923831333  14.08596223331  2001  12.8474805667  16.7504687333  14.5140663667  13.50374562  2002  13.558175  17.2033926  15.6999475  13.23365246673  2003  12.6547247  16.8949153333  15.6614647  12.84347866674  2004  13.2537298  17.0469665667  15.2090537667  14.36479125  2005  13.4443049  16.7459822  16.6221879667  11.61082256676  2006  13.5056956667  16.8335785667  15.4979282  12.19934363337  2007  13.4885262333  16.6677328333  15.8170143667  13.74382168  2008  13.1515319  16.4865069333  15.7295728667  12.93233586679  2009  13.4577154333  16.6392378333  18.2601799667  12.653159433310  2010  13.1945485  16.7286889  15.4263526667  13.883358311  2011  14.3477941667  16.6894210333  14.1765804333  12.366541966712  2012  13.6050867  17.1305677333  14.7179677667  13.292552433313  2013  13.0279078667  17.3861934333  16.2034549667  13.186121333314  2014  12.7466816333  16.5442868667  14.7367682  12.870651246715  2015  13.465904  16.5061231667  12.4424366333  11.018138416  season  spring  summer  autumn  winter17  slope  0.037969137402  -0.0116468916667  -0.0791384411275  -0.0776527455294            
發表評論 共有條評論
用戶名: 密碼:
驗證碼: 匿名發表
主站蜘蛛池模板: 桦川县| 家居| 平湖市| 临湘市| 阿尔山市| 淮滨县| 长岭县| 临澧县| 玉林市| 都安| 海安县| 罗田县| 黄浦区| 长寿区| 潞西市| 调兵山市| 武穴市| 巩留县| 梁河县| 绥化市| 察雅县| 日土县| 黔江区| 绵阳市| 玉树县| 南郑县| 大连市| 陵川县| 南投市| 玉山县| 开远市| 阿拉善右旗| 吴桥县| 三河市| 定襄县| 库尔勒市| 团风县| 乐清市| 哈巴河县| 墨竹工卡县| 山丹县|