icount()

Read(696) Label: sequence, distinct members,

Here’s how to use icount() function.

A.icount()

Description:

Count the number of distinct members in a sequence.

Syntax:

A.icount()

Note:

The function calculates the number of distinct members in a sequence A.

Parameter:

A

A sequence of n members

Option:

@o

Remove duplicates by comparing neighboring members

@n

Judge whether a member is distinct or not according to position when parameter A is a number sequence

@b

Judge whether a member is distinct or not according to the long type bit when parameter A is a number sequence

Return value:

A numerical value

Example:

 

A

 

1

=["a","c","d","e","f","a","a"]

 

2

=A1.icount()

5

3

=A1.icount@o()

6

4

=[1,4,9,16,25,36,49,64,81,100,81]

 

5

=A4.icount@n()

10

6

=A4.icount@b()

10