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  • 机器学习_第三季_Series

    这一节没讲啥技术知识, 我就简单的罗列一下, 与numpy相似

    1. 导入csv文件

    import pandas as pd
    fandango = pd.read_csv("fandango_score_comparison.csv")
    series_film = fandango["FILM"]
    print(type(series_film))
    # print(series_film[0:5])
    series_rt = fandango["RottenTomatoes"]
    print(series_rt[0:5])

    2. 将文件做成Series格式

    from pandas import Series

    film_names = series_film.values
    print(type(film_names))
    # print(film_names)
    rt_scores = series_rt.values
    print(rt_scores)
    series_custom = Series(rt_scores , index = film_names)
    series_custom[['Minions (2015)', 'Leviathan (2014)']]
    fiveten = series_custom[5: 10]
    print(fiveten)

    3. 取得数据进行排序

    original_index = series_custom.index.tolist()
    # print(original_index)
    sorted_index = sorted(original_index)
    sorted_by_index = series_custom.reindex(sorted_index)
    print(sorted_by_index)

    4. 对值进行排序

    sc2 = series_custom.sort_index()
    sc3 = series_custom.sort_values()
    # print(sc2)
    print(sc3)

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  • 原文地址:https://www.cnblogs.com/jly1/p/9667725.html
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