Data Cleaning 5
Posted 阿难的机器学习计划
tags:
篇首语:本文由小常识网(cha138.com)小编为大家整理,主要介绍了Data Cleaning 5相关的知识,希望对你有一定的参考价值。
1. Histogram vs. Bar chart
With bar charts, each column represents a group defined by a categorical variable; and with histograms, each column represents a group defined by a quantitative variable.Which means we can change the order of categories in bar chart. But we can not swap the quantitative variable in histogram.
2.We can use map() combined with dictionary/Series to convert our target data to the data we want to.
series = ["Yes", "No", NaN, "Yes"] #Origonal data set
yes_no = {"Yes": True,"No": False} # The dictionary we would like to convert all the Yes to True, and all the No to False
series = series.map(yes_no) # use the map function
3.
以上是关于Data Cleaning 5的主要内容,如果未能解决你的问题,请参考以下文章