基本資料型別

R for Finance 入門

Lore Dirick

Manager of Data Science Curriculum at Flatiron School

數值（Numeric）

42.5

42.5

5

5

5L

5
R for Finance 入門

字元（Character）

"Hello world"

"Hello world"

"forty"

"forty"

"5"

"5"
R for Finance 入門

邏輯值（Logical）

TRUE

TRUE

FALSE

FALSE

true

Error: object 'true' not found

NA

NA
R for Finance 入門

變數與資料型別

my_answer <- TRUE

my_answer

TRUE

food <- "carrots"

food

"carrots"
R for Finance 入門

class()

my_answer <- TRUE

class(my_answer)

"logical"

class(5)

"numeric"

class(5L)

"integer"
R for Finance 入門

一起來練習吧！

R for Finance 入門

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