Numbers in R

There are three nubmer types in R: Example: Numeric Data Type Numeric data types are the most popular data types. Numeric data type is R may be represented as: Integer Data Type Complex Data Type A complex number is written with an “i” as the imaginary part: Numbers type Conversion Examples Interesting: as you can see from […]

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NUMERIC Functions

ABS Function: The ABS function returns the absolute value of a numeric expression. It’s useful for converting negative numbers to positive ones. Example SELECT ABS(-15) AS Absolute_Value FROM dual; — Absolute_Value — 15 CEIL and FLOOR Functions: The CEIL function rounds a number up to the nearest integer, while the FLOOR function rounds it down

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Numeric Datatype

By default: The precision p can range from 1 to 38 The scale s can range from -84 to 127  A NUMBER value requires from 1 to 22 bytes Requirements Precision: number of digits the computer has to store Scale: Number of digits after decimal For example, if we look at 12345.67 Precision = 7 Scale = 2   Example

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R Programming Data Types

Basic Data Types Values Examples Numeric A set of all real numbers

Integer A set of all integers. The L stands for a whole number

Logical This is also known as a boolean: TRUE and FALSE

Complex Used for numbers with real and imaginary parts (e.g., 3 + 2i). The “i” is

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