Lecture 05 - 102A_5_oh

# Lecture 05 - 102A_5_oh - Introduction Basic Matrix...

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Introduction Basic Matrix Operations Patterned Matrices Full Rank Decomposition and Matrix Rank QR Decomposition and Rank LDU D e UCLA Department of Statistics Course 102A Introduction to Computational Statistics with R Part V: Matrices in R Jan de Leeuw Jan de Leeuw 102A_5 UCLA Department of Statistics

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Introduction Basic Matrix Operations Patterned Matrices Full Rank Decomposition and Matrix Rank QR Decomposition and Rank LDU D e Outline 1 Introduction 2 Basic Matrix Operations 3 Patterned Matrices 4 Full Rank Decomposition and Matrix Rank 5 QR Decomposition and Rank 6 LDU Decomposition and Matrix Inverse Jan de Leeuw 102A_5 UCLA Department of Statistics
Introduction Basic Matrix Operations Patterned Matrices Full Rank Decomposition and Matrix Rank QR Decomposition and Rank LDU D e In this part of the notes we will give an R -oriented overview of matrix algebra and matrix calculation. Jan de Leeuw 102A_5 UCLA Department of Statistics

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Introduction Basic Matrix Operations Patterned Matrices Full Rank Decomposition and Matrix Rank QR Decomposition and Rank LDU D e In this part of the notes we will give an R -oriented overview of matrix algebra and matrix calculation. This means that we will think of a matrix as a certain type of R object. More precisely, for the purposes of this course a matrix is a vector of numbers with a dimension attribute. Jan de Leeuw 102A_5 UCLA Department of Statistics
Introduction Basic Matrix Operations Patterned Matrices Full Rank Decomposition and Matrix Rank QR Decomposition and Rank LDU D e In this part of the notes we will give an R -oriented overview of matrix algebra and matrix calculation. This means that we will think of a matrix as a certain type of R object. More precisely, for the purposes of this course a matrix is a vector of numbers with a dimension attribute. The dimension attribute is a vector with two integers, the number of rows and the number of columns. Jan de Leeuw 102A_5 UCLA Department of Statistics

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Introduction Basic Matrix Operations Patterned Matrices Full Rank Decomposition and Matrix Rank QR Decomposition and Rank LDU D e So matrix calculus for us is calculating with these R objects. Of course packages like Matlab or SPSS or Stata have very similar objects – and thus their matrix calculus will be very similar to ours. Jan de Leeuw 102A_5 UCLA Department of Statistics
Introduction Basic Matrix Operations Patterned Matrices Full Rank Decomposition and Matrix Rank QR Decomposition and Rank LDU D e So matrix calculus for us is calculating with these R objects. Of course packages like Matlab or SPSS or Stata have very similar objects – and thus their matrix calculus will be very similar to ours. Observe that in this part of the course we exclude matrices of logicals, characters or raw bytes. Only numerical matrices are used, and actually only matrices with doubles are considered.

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Lecture 05 - 102A_5_oh - Introduction Basic Matrix...

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