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RRRRUsing R in statistical approach

(Data Types and Variables)

Mongkon SophonWalailak University: Computer Engineering

Twitter @JoThailand744

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3556355635563556 ((((Types of Data)Types of Data)Types of Data)Types of Data) (Numeric) >A 1 2 3 4 5 6

GGGG (Logic) >A True False

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6OO5566OO5566OO5566OO556VectorVectorVectorVector : c()

MatrixMatrixMatrixMatrix : matrix()

Data FrameData FrameData FrameData Frame : data.frame()

ListListListList : list()

rrayrrayrrayrray : array()

3Data Types and Variables

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VectorVectorVectorVector ((((>=>5>=>5>=>5>=>5)))) Vector 5 rray 1 5 Row Matrix (>=)

c(56AX1, 56AX2, Z, 56AX n)

1 2 4

...

n

56AX

4Data Types and Variables

X 1 (=)

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VectorVectorVectorVector ((((>=>5>=>5>=>5>=>5))))

9 4 1 0

1 2 4

56AX

5Data Types and Variables

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List (List (List (List ()))) ListListListList 5 >5 Vector

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Matrix (Matrix (Matrix (Matrix (>>>>))))MatrixMatrixMatrixMatrix 5 rray 2

11 12 13 14

21 22 23 24

31 32 33 34

41 42 43 44

10Data Types and Variables

X 1 (=)

X 2(5

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Matrix (Matrix (Matrix (Matrix (>>>>))))Matrix(vector 56, nrow==, ncol=5>=A5A

A AA TRUE AAAA FLSE

**56 Matrix 5>3>3=

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Data Frame (Data Frame (Data Frame (Data Frame (5O565O565O565O56)))) Data FrameData FrameData FrameData Frame >qq

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rrayrrayrrayrray rrayrrayrrayrray 5 A556X6OAO=>A=A5 AA X

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OO

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