Hướng dẫn python pct_change fill_method
View Discussion Improve Article Save Article View Discussion Improve Article Save Article Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes importing and analyzing data much easier. Pandas Note : This function is mostly useful in the time-series data.
Example #1: Use
Let’s use the Output : The first row contains NaN values, as there is no previous row from which we can calculate the change. Example #2: Use
Output : The first row contains |