Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Library: xplore
See also: countNaN countNotNumber isInf isNumber

Quantlet: isNaN
Description: Determines whether elements of an array are missing values (NaN).

Usage: y = isNaN (x)
Input:
x array
Output:
y array with 1 (true, is NaN) or 0 (false)

Example:

library("xplore")

x = #(0/0, 1/0, -1/0, 1)

x ~ isNaN (x)

Result:



Contents of _tmp

[1,]   NaN     1 

[2,]   Inf     0 

[3,]  -Inf     0 

[4,]     1     0 


Library: xplore
See also: countNaN countNotNumber isInf isNumber

Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Author: TTK, 960423
(C) MD*TECH Method and Data Technologies, 21.9.2000