Questions tagged [percentile]

In the field of statistics, a percentile (also known as a centile) represents the specific value of a variable that signifies the point at which a particular percentage of observations are lower.

Is there a way to calculate the percentile of a column in a dataframe by only taking into account the values that came before

I have a dataset containing numerical values in a column and I want to calculate the percentile of each value based on only the preceding rows in that same column. Here's an example: +-------+ | col_1 | +-------+ | 5 | +-------+ | 4 | +-------+ | ...

determining the percentile for a vast dataset

My database holds student information related to test codes and the marks they achieved for each test. I am looking to recalculate percentile marks for students corresponding to each test code. Although I have a code for a series of test codes, it is not ...