【数据分析】DESCRIPTIVE STATISTICS and EXPLORATORY ANALYSIS OF DATA with MATLAB

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DESCRIPTIVE STATISTICS and EXPLORATORY ANALYSIS OF DATA with MATLAB

by Karter J.



The aim of this book is to introduce the reader to the techniques of descriptive statistics and exploratory data analysis. Statistics Toolbox provides algorithms and tools for organizing, analyzing, and modeling data. You can use regression or classification for predictive modeling, generate random numbers for Monte Carlo simulations, use statistical plots for exploratory data analysis, and perform hypothesis tests. For analyzing multidimensional data, Statistics Toolbox includes algorithms that let you identify key variables that impact your model with sequential feature selection, transform your data with principal component analysis, apply regularization and shrinkage, or use partial least-squares regression.

Statistics Toolbox includes specialized data types for organizing and accessing heterogeneous data. Dataset arrays store numeric data, text, and metadata in a single data container. Built-in methods enable you to merge datasets using a common key (join), calculate summary statistics on grouped data, and convert between tall and wide data representations. Categorical arrays provide a memory-efficient data container for storing information drawn from a finite, discrete set of categories.

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关键词：Exploratory descriptive Statistics statistic Analysis hypothesis techniques generate provides numbers

DESCRIPTIVE STATISTICS and EXPLORATORY ANALYSIS OF DATA with MATLAB

by Karter J.

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DESCRIPTIVE STATISTICS and EXPLORATORY ANALYSIS OF DATA with MATLAB

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