Detecting Outliers with Z-scores in Python
Z-score is a numerical measurement used in statistics of a value’s relationship to the mean (average) of a group of values, measured in terms of standard dev...
Recent Posts
Visualize a Decision Tree from a Random Forest
In this video we will visualize the multiple decision trees created inside a random forest classifier so that the random forest classifier isn’t a black box ...
Decision Tree Hyperparameters : max_depth, min_samples_split, min_samples_leaf, max_features
In this video we will explore the most important hyper-parameters of Decision tree model and how they impact our model in term of over-fitting and under-fitt...
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...
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...