Dickey-Fuller test for Time Series Stationarity using Python
The Augmented Dickey Fuller Test (ADF) is unit root test for stationarity. It checks if your time series is stationary or not. A stationary time series is on...
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T-Test for Comparing Two Group Means in Python
T-test, is used to determine whether the means of two groups are equal to each other. The assumption for the test is that both groups are sampled from normal...
Stochastic vs Batch vs Mini-Batch Gradient Descent
Batch gradient descent computes the gradient using the whole dataset whereas Stochastic uses one training example and Mini-Batch uses a batch of 32 or 64 sam...
Generalized ESD Test for Outlier Detection using Python
The Generalized Extreme Studentized Deviate (ESD) Test is a statistical test for outliers. It is used on univariate data which follows an approximately norma...
How NumPy Arrays are faster than Python List?
Numpy is the core library for scientific computing in Python. A NumPy array is a grid of values, all of the same type, and is indexed by a tuple of non-negat...