Top "Percentile" questions

In statistics, a percentile (or centile) is the value of a variable below which a certain percent of observations fall.

Calculate Percentile Value using MySQL

I have a table which contains thousands of rows and I would like to calculate the 90th percentile for one …

mysql percentile
How to calculate a percentile ranking of a column of data relative to another column using python

I have two columns of data representing the same quantity; one column is from my training data, the other is …

python pandas quantile percentile
Is it possible to draw a matplotlib boxplot given the percentile values instead of the original inputs?

From what I can see, boxplot() method expects a sequence of raw values (numbers) as input, from which it then …

python python-2.7 matplotlib boxplot percentile
Python Pandas - how is 25 percentile calculated by describe function

For a given dataset in a data frame, when I apply the describe function, I get the basic stats which …

python pandas percentile
Percentile rank calculation

I'm attempting to calculate the percentile rank of a score using the python statlib module. The percentileofscore function is supposed …

python statistics scipy percentile
PostgreSQL equivalent of Oracle's PERCENTILE_CONT function

Has anyone found a PostgreSQL equivalent of Oracle's PERCENTILE_CONT function? I searched, and could not find one, so I …

oracle function postgresql percentile
Calculate percentile on pyspark dataframe columns

I have a PySpark dataframe which contains an ID and then a couple of variables for which I want to …

dataframe pyspark quantile percentile
pandas.DataFrame.describe() vs numpy.percentile() NaN handling

I noticed a difference in how pandas.DataFrame.describe() and numpy.percentile() handle NaN values. e.g. import numpy as …

python-2.7 numpy pandas percentile
Calculating percentiles in SQL

This should be very straightforward, but as a newbie to SQL I am really struggling. I've been recommended to use …

sql oracle percentile quartile
Python: Matplotlib - probability plot for several data set

I have several data sets (distribution) as follows: set1 = [1,2,3,4,5] set2 = [3,4,5,6,7] set3 = [1,3,4,5,8] How do I plot a scatter plot with the …

python numpy matplotlib probability percentile