Confidence Interval – Fully Explained

Confidence interval is a measure to quantify the uncertainty in an estimated statistic (like the mean) when the true population parameter is unknown. Training…

KPSS Test for Stationarity

KPSS test is a statistical test to check for stationarity of a series around a deterministic trend. Like ADF test, the KPSS test is…

101 R data.table Exercises

The data.table package in R is super fast when it comes to handling data. It has a syntax that reduces keystrokes while making R…