Linear algebra Eigenvalues and Eigenvectors Nov 18, 2020 | 20 min read Time series Variability of Nonstationary Time Series Oct 9, 2020 | 13 min read Linear model Estimation Sep 30, 2019 | 16 min read Mathematical statistics Basic Concepts Sep 25, 2019 | 12 min read Nonparametric methods Fundamentals of Nonparametric Methods Jan 26, 2019 | 10 min read Mathematical statistics Sep 26, 2019 | 8 min read Conditional Probability Introducing conditional probability and independence of events. Bayes' rule comes in as well. #Mathematical Statistics #Statistics #Bayes Mathematical statistics Sep 25, 2019 | 12 min read Basic Concepts Introducing the concept of the probability of an event. Also covers set operations and the sample-point method. #Mathematical Statistics #Statistics Mathematical statistics Sep 25, 2019 | 4 min read Definitions for Continuous Random Variables The probability density function, cumulative distribution function, expectation and variance for a continuous random variable. #Mathematical Statistics #Statistics #Random Variable Nonparametric methods May 6, 2019 | 6 min read Density Estimation Wanna know more about histograms and density plots? #Nonparametric Methods #Statistics #Visualization Nonparametric methods May 6, 2019 | 11 min read Bootstrap The procedure and applications of the nonparametric bootstrap. #Nonparametric Methods #Statistics #Sampling Nonparametric methods May 6, 2019 | 17 min read Categorical Data Dealing with contingency tables. Fisher's exact test comes back, together with Chi-squared test and likelihood-ratio test. We also talk about testing goodness-of-fit. #Nonparametric Methods #Statistics Nonparametric methods May 5, 2019 | 9 min read Correlation and Concordance Measures for the strength of relationships between variables (two or more). The Spearman rank correlation coefficient, Kendall's tau and Kendall's W are introduced. #Nonparametric Methods #Statistics #Correlation Nonparametric methods May 4, 2019 | 10 min read Basic Tests for Three or More Samples Nonparametric analogues of the one-way classification ANOVA and the simplest two-way classifications, namely the Kruskal-Wallis test, the Jonckheere-Terpstra test, and the Friedman test. #Nonparametric Methods #Statistics #ANOVA Nonparametric methods May 2, 2019 | 11 min read Two Independent Samples With two independent samples, we may ask about the centrality of the population distribution and see if there's a shift. Wilcoxon-Mann-Whitney is here! #Nonparametric Methods #Statistics #Independent Samples Nonparametric methods Apr 29, 2019 | 6 min read Methods for Paired Samples An obvious extension of the one-sample procedures. #Nonparametric Methods #Statistics #Paired Samples «« « 4 5 6 7 8 » »»