{"id":96962,"date":"2024-10-20T13:49:16","date_gmt":"2024-10-20T05:49:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96962\/"},"modified":"2024-10-20T13:49:17","modified_gmt":"2024-10-20T05:49:17","slug":"pycharm%e8%bc%95%e9%ac%86%e5%b0%8e%e5%85%a5csv%e6%95%b8%e6%93%9a%e5%ba%ab-pycharm%e5%b0%8e%e5%85%a5csv%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96962\/","title":{"rendered":"Pycharm\u8f15\u9b06\u5c0e\u5165CSV\u6578\u64da\u5eab (pycharm\u5c0e\u5165csv\u6578\u64da\u5eab)"},"content":{"rendered":"

Pycharm\u8f15\u9b06\u5c0e\u5165CSV\u6578\u64da\u5eab (pycharm\u5c0e\u5165csv\u6578\u64da\u5eab)<\/h1>\n

\u5728\u6578\u64da\u79d1\u5b78\u548c\u6578\u64da\u5206\u6790\u7684\u9818\u57df\u4e2d\uff0cCSV\uff08\u9017\u865f\u5206\u9694\u503c\uff09\u6587\u4ef6\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6578\u64da\u5b58\u5132\u683c\u5f0f\u3002\u7531\u65bc\u5176\u7c21\u55ae\u6027\u548c\u53ef\u8b80\u6027\uff0c\u8a31\u591a\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u9078\u64c7\u4f7f\u7528CSV\u6587\u4ef6\u4f86\u5b58\u5132\u548c\u8655\u7406\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Pycharm\u4e2d\u8f15\u9b06\u5c0e\u5165CSV\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9078\u64c7CSV\u683c\u5f0f\uff1f<\/h2>\n

CSV\u683c\u5f0f\u7684\u512a\u52e2\u5728\u65bc\u5176\u7c21\u55ae\u6027\u548c\u5ee3\u6cdb\u7684\u517c\u5bb9\u6027\u3002\u5e7e\u4e4e\u6240\u6709\u7684\u6578\u64da\u8655\u7406\u5de5\u5177\u548c\u7de8\u7a0b\u8a9e\u8a00\u90fd\u652f\u6301CSV\u683c\u5f0f\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u6578\u64da\u4ea4\u63db\u7684\u7406\u60f3\u9078\u64c7\u3002\u6b64\u5916\uff0cCSV\u6587\u4ef6\u7684\u5927\u5c0f\u901a\u5e38\u8f03\u5c0f\uff0c\u4fbf\u65bc\u5b58\u5132\u548c\u50b3\u8f38\u3002<\/p>\n

\u5728Pycharm\u4e2d\u5c0e\u5165CSV\u6587\u4ef6\u7684\u6b65\u9a5f<\/h2>\n

\u4ee5\u4e0b\u662f\u4f7f\u7528Pandas\u5eab\u5728Pycharm\u4e2d\u5c0e\u5165CSV\u6587\u4ef6\u7684\u6b65\u9a5f\uff1a<\/p>\n

1. \u5b89\u88ddPandas\u5eab<\/h3>\n

\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u5df2\u7d93\u5b89\u88dd\u4e86Pandas\u5eab\u3002\u5982\u679c\u5c1a\u672a\u5b89\u88dd\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n

pip install pandas<\/code><\/pre>\n
2. \u5275\u5efa\u4e00\u500b\u65b0\u7684Python\u6587\u4ef6<\/h3>\n
\u5728Pycharm\u4e2d\u5275\u5efa\u4e00\u500b\u65b0\u7684Python\u6587\u4ef6\uff0c\u4e26\u5c0e\u5165Pandas\u5eab\uff1a<\/p>\n
import pandas as pd<\/code><\/pre>\n
3. \u4f7f\u7528Pandas\u8b80\u53d6CSV\u6587\u4ef6<\/h3>\n
\u4f7f\u7528Pandas\u7684read_csv\u51fd\u6578\u4f86\u8b80\u53d6CSV\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n
data = pd.read_csv('your_file.csv')<\/code><\/pre>\n
\u5728\u9019\u88e1\uff0c’your_file.csv’\u662f\u4f60\u8981\u5c0e\u5165\u7684CSV\u6587\u4ef6\u7684\u8def\u5f91\u3002\u9019\u884c\u4ee3\u78bc\u5c07CSV\u6587\u4ef6\u4e2d\u7684\u6578\u64da\u8b80\u53d6\u5230\u4e00\u500bDataFrame\u4e2d\uff0c\u9019\u662f\u4e00\u7a2ePandas\u63d0\u4f9b\u7684\u6578\u64da\u7d50\u69cb\u3002<\/p>\n
4. \u67e5\u770b\u6578\u64da<\/h3>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528head()\u51fd\u6578\u4f86\u67e5\u770bDataFrame\u7684\u524d\u5e7e\u884c\u6578\u64da\uff1a<\/p>\n
print(data.head())<\/code><\/pre>\n
5. \u6578\u64da\u8655\u7406<\/h3>\n
\u4e00\u65e6\u6578\u64da\u88ab\u5c0e\u5165\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528Pandas\u63d0\u4f9b\u7684\u5404\u7a2e\u51fd\u6578\u4f86\u8655\u7406\u548c\u5206\u6790\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u904e\u6ffe\u6578\u64da\u3001\u8a08\u7b97\u7d71\u8a08\u4fe1\u606f\u6216\u9032\u884c\u6578\u64da\u53ef\u8996\u5316\u3002<\/p>\n
# \u904e\u6ffe\u6578\u64da\nfiltered_data = data[data['column_name'] > value]\n\n# \u8a08\u7b97\u7d71\u8a08\u4fe1\u606f\nmean_value = data['column_name'].mean()\n<\/code><\/pre>\n
\u5e38\u898b\u554f\u984c<\/h2>\n
1. CSV\u6587\u4ef6\u7684\u7de8\u78bc\u554f\u984c<\/h3>\n
\u5728\u5c0e\u5165CSV\u6587\u4ef6\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u7de8\u78bc\u554f\u984c\u3002\u53ef\u4ee5\u4f7f\u7528encoding\u53c3\u6578\u4f86\u6307\u5b9a\u6587\u4ef6\u7684\u7de8\u78bc\u683c\u5f0f\uff0c\u4f8b\u5982\uff1a<\/p>\n
data = pd.read_csv('your_file.csv', encoding='utf-8')<\/code><\/pre>\n
2. \u8655\u7406\u7f3a\u5931\u503c<\/h3>\n
\u5728\u6578\u64da\u5206\u6790\u4e2d\uff0c\u7f3a\u5931\u503c\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8655\u7406\u7f3a\u5931\u503c\uff0c\u4f8b\u5982\u4f7f\u7528dropna()\u51fd\u6578\u522a\u9664\u7f3a\u5931\u503c\uff1a<\/p>\n
cleaned_data = data.dropna()<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728Pycharm\u4e2d\u5c0e\u5165CSV\u6578\u64da\u5eab\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u904e\u7a0b\u3002\u901a\u904e\u4f7f\u7528Pandas\u5eab\uff0c\u4f60\u53ef\u4ee5\u8f15\u9b06\u5730\u8b80\u53d6\u3001\u8655\u7406\u548c\u5206\u6790CSV\u6587\u4ef6\u4e2d\u7684\u6578\u64da\u3002\u9019\u4f7f\u5f97\u6578\u64da\u79d1\u5b78\u5bb6\u548c\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\uff0c\u4e26\u9032\u884c\u6df1\u5165\u7684\u6578\u64da\u5206\u6790\u3002<\/p>\n
\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u4f60\u7684\u6578\u64da\u8655\u7406\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u7684\u9700\u6c42\u548c\u9810\u7b97\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728PyCharm\u4e2d\u8f15\u9b06\u5c0e\u5165CSV\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-96962","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=96962"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96962\/revisions"}],"predecessor-version":[{"id":96963,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96962\/revisions\/96963"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}