python pandas data cleaning: sample() function

DataFrame.sample The DataFrame.sample method is mainly used for simple random sampling of DataFrame. PS: simple random sampling here means that it cannot be used for systematic sampling or stratified sampling. DataFrame.sample this method can randomly extract rows or columns from DataFrame. The parameters received by this method are as follo ...

Posted on Fri, 26 Nov 2021 05:40:08 -0500 by penguinmasta