摘要:
认识 jupyter地址: pandas objects are equipped(配备的) with a set of common mathematical and statistical methods. Most of these fall into the categrory of red 阅读全文
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This section will walk you(引导你) through the fundamental(基本的) mechanics(方法) of interacting(交互) with the data contained in a Series or DataFrame. (引导你去了 阅读全文
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Pandas will be a major tool of interest throughout(贯穿) much of the rest of the book. It contains data structures and manipulation tools designed to ma 阅读全文
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The numpy.random module supplements(补充) the built in Python random with functions for efficiently generating whole arrays of sample values from many k 阅读全文
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File Input and Output NumPy is able to save and load data to and from disk either in text or binary format. In this section I only discuss NumPy's bui 阅读全文
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Using NumPy arrays enables you to express many kinds of data processing tasks as concise(简明的) array expressions(不用写循环就能用数组表达很多数据过程) that might otherwi 阅读全文