Linear algebraEigenvalues and EigenvectorsNov 18, 2020 | 10 min read Time seriesVariability of Nonstationary Time SeriesOct 9, 2020 | 13 min read Linear modelEstimationSep 30, 2019 | 16 min read Mathematical statisticsBasic ConceptsSep 25, 2019 | 12 min read Nonparametric methodsFundamentals of Nonparametric MethodsJan 25, 2019 | 10 min read Time seriesSep 4, 20206 min readMoving Average ModelThe mean, variance, ACF and PACF of moving average models. Instead of stationarity, a new property called invertibility is introduced.#Statistics #Time Series #Autocorrelation #RLinear algebraAug 31, 20208 min readVector SpaceWe introduce some basic terminology - vector space, subspace, span, basis, and dimension. These concepts lay the foundation for future discussions on matrices and matrix properties.#Linear Algebra #Matrix #Operations #VisualizationLinear algebraAug 31, 20203 min readLinear Dependence and IndependenceA short piece on linearly dependent and independent sets of vectors.#Linear Algebra #CorrelationTime seriesAug 28, 20209 min readAutoregressive SeriesWe talk about autoregressive models of different orders, and introduce their mean, variance, ACF and PACF values. Its stationarity is also briefly discussed.#Statistics #Time Series #Autocorrelation #RTime seriesAug 28, 202011 min readIntroductionWe introduce some basic ideas of time series analysis and stochastic processes. Of particular importance are the concepts of stationarity and the autocovariance and sample autocovariance functions.#Statistics #Time Series #Autocorrelation #Visualization #Regression #Independent SamplesLinear algebraAug 26, 20208 min readMatricesMatrix algebra plays an important role in many areas of statistics, such as linear statistical models and multivariate analysis. In this chapter we introduce basic terminology and some basic matrix operations. We also introduce some basic types of matrices.#Linear Algebra #Matrix #OperationsMathematical statisticsApr 21, 20209 min readLinear ModelsSo far we’ve finished the main materials of this course - estimation and hypothesis testing. The starting point of all the statistical analyses …#Mathematical Statistics #Linear Regression #StatisticsLinuxApr 13, 2020Install Dependencies for Puppeteer on Manjaro Linux#Python #Linux #DevOpsMathematical statisticsApr 1, 20204 min readStatistical DecisionUp till now we’ve made the assumption that the data is generated from a statistical model controlled by some parameter(s). We used estimation to …#Mathematical Statistics #StatisticsMathematical statisticsFeb 8, 202012 min readConfidence IntervalsConfidence intervals and methods of contructing them.#Mathematical Statistics #Statistics #CI«««1234 … 6»»»