pandas-0.23.4.tar.gz

上传者: calculusstill | 上传时间: 2025-05-25 22:53:59 | 文件大小: 10MB | 文件类型: GZ
《Pandas 0.23.4:Python数据分析的核心库》 Pandas是Python编程语言中的一个开源数据处理和分析库,它为Python提供了一种高效、灵活且易于使用的数据结构,使得数据清洗、整合、分析变得简单。Pandas 0.23.4是这个库的一个稳定版本,为用户提供了大量的新功能和改进。 一、数据结构 Pandas的核心数据结构包括Series(一维数据结构)和DataFrame(二维表格型数据结构)。Series类似于一维数组,可以存储各种类型的数据,并拥有自己的索引。DataFrame则类似于电子表格或SQL表,它包含一系列列,每列可以是不同的值类型,同时提供了丰富的操作方法。 二、数据加载与存储 Pandas支持多种数据格式的读取和写入,如CSV、Excel、JSON、SQL数据库等。通过`read_csv`、`read_excel`等函数,可以快速将数据导入到DataFrame中;反之,`to_csv`、`to_excel`等函数则用于将DataFrame保存为文件。 三、数据清洗 在数据预处理阶段,Pandas提供了强大的数据清洗功能,如缺失值处理(`fillna`、`dropna`)、重复值检测(`duplicated`、`drop_duplicates`)以及数据类型转换(`astype`)等。 四、数据操作 Pandas提供了丰富的数据操作接口,包括选择子集(`loc`、`iloc`)、切片、排序(`sort_values`)、合并(`merge`、`concat`)、分组(`groupby`)等,使得数据处理变得直观而高效。 五、时间序列分析 Pandas内置了对时间序列的支持,可以轻松处理日期和时间数据。`DatetimeIndex`允许以日期作为索引,提供了日期计算、频率转换等功能。 六、统计分析 Pandas提供了基本的统计功能,如描述性统计(`describe`)、聚合(`agg`)、窗口函数(`rolling`、`expanding`)等,方便进行快速的数据探索和分析。 七、数据可视化 Pandas可以与matplotlib、seaborn等可视化库结合,实现数据的直观展示。例如,`DataFrame.plot`函数可以直接生成柱状图、折线图、散点图等。 八、性能优化 Pandas利用NumPy的底层优化,使得数据处理速度得到显著提升。此外,通过设置内存使用策略(如`blocksize`),可以进一步优化大型数据集的处理效率。 九、兼容性与社区支持 Pandas 0.23.4版本兼容Python 2.7和Python 3.x,确保了广泛的应用场景。由于其强大的功能和活跃的社区支持,用户可以获得丰富的文档、教程和问题解答资源。 Pandas 0.23.4是Python数据科学领域不可或缺的工具,它通过简洁的API和高效的数据处理能力,大大简化了数据分析工作流程,无论对于初学者还是经验丰富的数据科学家,都是一个值得信赖的选择。

文件下载

资源详情

[{"title":"( 906 个子文件 10MB ) pandas-0.23.4.tar.gz","children":[{"title":"interval.c <span style='color:#111;'> 8.06MB </span>","children":null,"spread":false},{"title":"join.c <span style='color:#111;'> 8.04MB </span>","children":null,"spread":false},{"title":"algos.c <span style='color:#111;'> 5.88MB </span>","children":null,"spread":false},{"title":"sparse.c <span style='color:#111;'> 3.90MB </span>","children":null,"spread":false},{"title":"groupby.c <span style='color:#111;'> 2.83MB </span>","children":null,"spread":false},{"title":"hashtable.c <span style='color:#111;'> 2.52MB </span>","children":null,"spread":false},{"title":"lib.c <span style='color:#111;'> 2.36MB </span>","children":null,"spread":false},{"title":"parsers.c <span style='color:#111;'> 2.20MB </span>","children":null,"spread":false},{"title":"index.c <span style='color:#111;'> 2.14MB </span>","children":null,"spread":false},{"title":"offsets.c <span style='color:#111;'> 1.55MB </span>","children":null,"spread":false},{"title":"timedeltas.c <span style='color:#111;'> 1.38MB </span>","children":null,"spread":false},{"title":"timestamps.c <span style='color:#111;'> 1.34MB </span>","children":null,"spread":false},{"title":"period.c <span style='color:#111;'> 1.32MB </span>","children":null,"spread":false},{"title":"internals.c <span style='color:#111;'> 1.21MB </span>","children":null,"spread":false},{"title":"reduction.c <span style='color:#111;'> 1.15MB </span>","children":null,"spread":false},{"title":"sas.c <span style='color:#111;'> 1.08MB </span>","children":null,"spread":false},{"title":"conversion.c <span style='color:#111;'> 1.08MB </span>","children":null,"spread":false},{"title":"writers.c <span style='color:#111;'> 1.06MB </span>","children":null,"spread":false},{"title":"strptime.c <span style='color:#111;'> 1.02MB </span>","children":null,"spread":false},{"title":"resolution.c <span style='color:#111;'> 1.00MB </span>","children":null,"spread":false},{"title":"parsing.c <span style='color:#111;'> 1016.75KB </span>","children":null,"spread":false},{"title":"tslib.c <span style='color:#111;'> 969.28KB </span>","children":null,"spread":false},{"title":"nattype.c <span style='color:#111;'> 837.78KB </span>","children":null,"spread":false},{"title":"fields.c <span style='color:#111;'> 783.99KB </span>","children":null,"spread":false},{"title":"frequencies.c <span style='color:#111;'> 612.09KB </span>","children":null,"spread":false},{"title":"timezones.c <span style='color:#111;'> 567.15KB </span>","children":null,"spread":false},{"title":"reshape.c <span style='color:#111;'> 521.48KB </span>","children":null,"spread":false},{"title":"ops.c <span style='color:#111;'> 502.53KB </span>","children":null,"spread":false},{"title":"skiplist.c <span style='color:#111;'> 495.21KB </span>","children":null,"spread":false},{"title":"missing.c <span style='color:#111;'> 488.00KB </span>","children":null,"spread":false},{"title":"hashing.c <span style='color:#111;'> 398.77KB </span>","children":null,"spread":false},{"title":"ccalendar.c <span style='color:#111;'> 374.04KB </span>","children":null,"spread":false},{"title":"np_datetime.c <span style='color:#111;'> 344.81KB </span>","children":null,"spread":false},{"title":"testing.c <span style='color:#111;'> 279.40KB </span>","children":null,"spread":false},{"title":"properties.c <span style='color:#111;'> 272.35KB </span>","children":null,"spread":false},{"title":"indexing.c <span style='color:#111;'> 196.82KB </span>","children":null,"spread":false},{"title":"objToJSON.c <span style='color:#111;'> 74.07KB </span>","children":null,"spread":false},{"title":"tokenizer.c <span style='color:#111;'> 60.37KB </span>","children":null,"spread":false},{"title":"ultrajsondec.c <span style='color:#111;'> 28.91KB </span>","children":null,"spread":false},{"title":"ultrajsonenc.c <span style='color:#111;'> 27.72KB </span>","children":null,"spread":false},{"title":"np_datetime.c <span style='color:#111;'> 27.43KB </span>","children":null,"spread":false},{"title":"np_datetime_strings.c <span style='color:#111;'> 22.54KB </span>","children":null,"spread":false},{"title":"JSONtoObj.c <span style='color:#111;'> 19.01KB </span>","children":null,"spread":false},{"title":"period_helper.c <span style='color:#111;'> 18.18KB </span>","children":null,"spread":false},{"title":"move.c <span style='color:#111;'> 8.00KB </span>","children":null,"spread":false},{"title":"io.c <span style='color:#111;'> 5.50KB </span>","children":null,"spread":false},{"title":"ujson.c <span style='color:#111;'> 4.71KB </span>","children":null,"spread":false},{"title":"setup.cfg <span style='color:#111;'> 878B </span>","children":null,"spread":false},{"title":"cmath <span style='color:#111;'> 398B </span>","children":null,"spread":false},{"title":"theme.conf <span style='color:#111;'> 101B </span>","children":null,"spread":false},{"title":"window.cpp <span style='color:#111;'> 2.68MB </span>","children":null,"spread":false},{"title":"_unpacker.cpp <span style='color:#111;'> 375.02KB </span>","children":null,"spread":false},{"title":"_packer.cpp <span style='color:#111;'> 358.60KB </span>","children":null,"spread":false},{"title":"nature.css_t <span style='color:#111;'> 6.25KB </span>","children":null,"spread":false},{"title":"iris.data <span style='color:#111;'> 4.49KB </span>","children":null,"spread":false},{"title":"feather-0_3_1.feather <span style='color:#111;'> 672B </span>","children":null,"spread":false},{"title":"fx_prices <span style='color:#111;'> 15.80KB </span>","children":null,"spread":false},{"title":"pack_template.h <span style='color:#111;'> 20.22KB </span>","children":null,"spread":false},{"title":"khash.h <span style='color:#111;'> 19.37KB </span>","children":null,"spread":false},{"title":"unpack_template.h <span style='color:#111;'> 15.32KB </span>","children":null,"spread":false},{"title":"ultrajson.h <span style='color:#111;'> 10.02KB </span>","children":null,"spread":false},{"title":"ms_inttypes.h <span style='color:#111;'> 7.81KB </span>","children":null,"spread":false},{"title":"unpack.h <span style='color:#111;'> 7.56KB </span>","children":null,"spread":false},{"title":"ms_stdint.h <span style='color:#111;'> 7.54KB </span>","children":null,"spread":false},{"title":"skiplist.h <span style='color:#111;'> 7.08KB </span>","children":null,"spread":false},{"title":"tokenizer.h <span style='color:#111;'> 7.02KB </span>","children":null,"spread":false},{"title":"parse_helper.h <span style='color:#111;'> 6.95KB </span>","children":null,"spread":false},{"title":"sysdep.h <span style='color:#111;'> 6.31KB </span>","children":null,"spread":false},{"title":"period_helper.h <span style='color:#111;'> 4.01KB </span>","children":null,"spread":false},{"title":"pack.h <span style='color:#111;'> 3.43KB </span>","children":null,"spread":false},{"title":"np_datetime.h <span style='color:#111;'> 3.25KB </span>","children":null,"spread":false},{"title":"np_datetime_strings.h <span style='color:#111;'> 2.77KB </span>","children":null,"spread":false},{"title":"py_defines.h <span style='color:#111;'> 2.56KB </span>","children":null,"spread":false},{"title":"unpack_define.h <span style='color:#111;'> 2.31KB </span>","children":null,"spread":false},{"title":"version.h <span style='color:#111;'> 2.14KB </span>","children":null,"spread":false},{"title":"khash_python.h <span style='color:#111;'> 2.10KB </span>","children":null,"spread":false},{"title":"numpy_helper.h <span style='color:#111;'> 1.53KB </span>","children":null,"spread":false},{"title":"compat_helper.h <span style='color:#111;'> 1.47KB </span>","children":null,"spread":false},{"title":"io.h <span style='color:#111;'> 1.45KB </span>","children":null,"spread":false},{"title":"helper.h <span style='color:#111;'> 629B </span>","children":null,"spread":false},{"title":"stdint.h <span style='color:#111;'> 160B </span>","children":null,"spread":false},{"title":"portable.h <span style='color:#111;'> 142B </span>","children":null,"spread":false},{"title":"hashtable_class_helper.pxi.in <span style='color:#111;'> 27.06KB </span>","children":null,"spread":false},{"title":"groupby_helper.pxi.in <span style='color:#111;'> 24.91KB </span>","children":null,"spread":false},{"title":"algos_common_helper.pxi.in <span style='color:#111;'> 15.56KB </span>","children":null,"spread":false},{"title":"intervaltree.pxi.in <span style='color:#111;'> 13.95KB </span>","children":null,"spread":false},{"title":"join_func_helper.pxi.in <span style='color:#111;'> 12.56KB </span>","children":null,"spread":false},{"title":"algos_rank_helper.pxi.in <span style='color:#111;'> 11.90KB </span>","children":null,"spread":false},{"title":"join_helper.pxi.in <span style='color:#111;'> 10.78KB </span>","children":null,"spread":false},{"title":"sparse_op_helper.pxi.in <span style='color:#111;'> 9.92KB </span>","children":null,"spread":false},{"title":"algos_take_helper.pxi.in <span style='color:#111;'> 9.54KB </span>","children":null,"spread":false},{"title":"hashtable_func_helper.pxi.in <span style='color:#111;'> 9.39KB </span>","children":null,"spread":false},{"title":"index_class_helper.pxi.in <span style='color:#111;'> 2.31KB </span>","children":null,"spread":false},{"title":"reshape_helper.pxi.in <span style='color:#111;'> 1.96KB </span>","children":null,"spread":false},{"title":"MANIFEST.in <span style='color:#111;'> 755B </span>","children":null,"spread":false},{"title":"style.ipynb <span style='color:#111;'> 35.83KB </span>","children":null,"spread":false},{"title":"items.jsonl <span style='color:#111;'> 33B </span>","children":null,"spread":false},{"title":"LICENSE <span style='color:#111;'> 1.54KB </span>","children":null,"spread":false},{"title":"README.md <span style='color:#111;'> 10.09KB </span>","children":null,"spread":false},{"title":"RELEASE.md <span style='color:#111;'> 238B </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多,未全部展示</span>","children":null,"spread":false}],"spread":true}]

评论信息

免责申明

【只为小站】的资源来自网友分享,仅供学习研究,请务必在下载后24小时内给予删除,不得用于其他任何用途,否则后果自负。基于互联网的特殊性,【只为小站】 无法对用户传输的作品、信息、内容的权属或合法性、合规性、真实性、科学性、完整权、有效性等进行实质审查;无论 【只为小站】 经营者是否已进行审查,用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。
本站所有资源不代表本站的观点或立场,基于网友分享,根据中国法律《信息网络传播权保护条例》第二十二条之规定,若资源存在侵权或相关问题请联系本站客服人员,zhiweidada#qq.com,请把#换成@,本站将给予最大的支持与配合,做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明