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Category: Statistics

Machine Learning - Data Mining, StatisticsLeave a comment

Unpaired Two-sample T-test (Independent T-test)

January 21, 2020July 31, 2020 Tung.M.Phung

What is an Unpaired 2-sample T-test? Let’s analyze this definition from scratch. Continue reading Unpaired Two-sample T-test (Independent T-test)

Machine Learning - Data Mining, StatisticsLeave a comment

Paired Two-sample T-test (Dependent T-test)

January 18, 2020July 31, 2020 Tung.M.Phung

What is a Paired 2-sample T-test? Let’s analyze this definition from scratch. Continue reading Paired Two-sample T-test (Dependent T-test)

Machine Learning - Data Mining, StatisticsLeave a comment

T-statistic, T-test and the T family

November 12, 2019July 31, 2020 Tung.M.Phung

T-score, t-statistic, t-distribution and t-test belong to the T-family, which is very closely related to the Z-family. Continue reading T-statistic, T-test and the T family

Machine Learning - Data Mining, Statistics2 Comments

Hypothesis Testing

October 18, 2019July 31, 2020 Tung.M.Phung

Hypothesis Testing is the process of verifying if a hypothesis is viable or not, i.e. should we reject a hypothesis in favor of the other. Continue reading Hypothesis Testing

Machine Learning - Data Mining, Statistics4 Comments

Z-score on a sample set

October 13, 2019July 31, 2020 Tung.M.Phung

We take a set of samples from a given Normal distribution. How extreme is this set? Continue reading Z-score on a sample set

Machine Learning - Data Mining, Statistics2 Comments

Z-score, Z-statistic, Z-test, Z-distribution

October 12, 2019July 31, 2020 Tung.M.Phung

Z-score (together with Z-test, Z-distribution, Z-statistic, etc.) is a very frequently used term from statistics being applied in Machine Learning. Continue reading Z-score, Z-statistic, Z-test, Z-distribution