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6 de mar. de 2023 · Pandas 中的sample()函数可以从数据集中随机抽取行或列，可以用于数据集的随机采样、创建数据集的随机子集、模型评估等场景。 下面我们来详细介绍一下sample()函数的用法。 首先，sample()函数有以下几个参数： n: 抽取的行数或列数。 frac: 抽取的行数或列数相对于数据集的比例，范围在0到1之间。
Sample definition: a small part of anything or one of a number, intended to show the quality, style, or nature of the whole; specimen.. See examples of SAMPLE used in a sentence.
Reduced cost & time: Since using a sample reduces the number of people that have to be reached out to, it reduces cost and time. Imagine the time saved between researching with a population of millions vs. conducting a research study using a sample. Reduced resource deployment: It is obvious that if the number of people involved in a research study is much lower due to the sample, the ...
Definition of sample noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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SAMPLE ý nghĩa, định nghĩa, SAMPLE là gì: 1. a small amount of something that shows you what the rest is or should be like: 2. a small…. Tìm hiểu thêm.
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