Linear algebraEigenvalues and EigenvectorsNov 18, 2020 | 20 min readTime seriesVariability of Nonstationary Time SeriesOct 9, 2020 | 13 min readLinear modelEstimationSep 30, 2019 | 16 min readMathematical statisticsBasic ConceptsSep 25, 2019 | 12 min readNonparametric methodsFundamentals of Nonparametric MethodsJan 26, 2019 | 10 min read Mathematical statisticsSep 26, 2019 | 8 min readConditional ProbabilityIntroducing conditional probability and independence of events. Bayes' rule comes in as well.#Mathematical Statistics #Statistics #BayesMathematical statisticsSep 25, 2019 | 12 min readBasic ConceptsIntroducing the concept of the probability of an event. Also covers set operations and the sample-point method.#Mathematical Statistics #StatisticsMathematical statisticsSep 25, 2019 | 4 min readDefinitions for Continuous Random VariablesThe probability density function, cumulative distribution function, expectation and variance for a continuous random variable.#Mathematical Statistics #Statistics #Random VariableNonparametric methodsMay 6, 2019 | 6 min readDensity EstimationWanna know more about histograms and density plots?#Nonparametric Methods #Statistics #VisualizationNonparametric methodsMay 6, 2019 | 11 min readBootstrapThe procedure and applications of the nonparametric bootstrap.#Nonparametric Methods #Statistics #SamplingNonparametric methodsMay 6, 2019 | 17 min readCategorical DataDealing 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 #StatisticsNonparametric methodsMay 5, 2019 | 9 min readCorrelation and ConcordanceMeasures 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 #CorrelationNonparametric methodsMay 4, 2019 | 10 min readBasic Tests for Three or More SamplesNonparametric 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 #ANOVANonparametric methodsMay 2, 2019 | 11 min readTwo Independent SamplesWith 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 SamplesNonparametric methodsApr 29, 2019 | 6 min readMethods for Paired SamplesAn obvious extension of the one-sample procedures.#Nonparametric Methods #Statistics #Paired Samples«««45678»»»