Description:
Find missing values in a matrix.
Syntax:
A.ismissm() |
Find the null values or empty strings in matrix A and return a vector the same size as A |
A.ismissm(indicator) |
Find the specified value indicator in matrix A and return a vector the same size as A |
Note:
The function marks missing values in the return value with 1.
Parameter:
A |
A two-dimensional sequence |
indicator |
A number/string/sequence |
Return value:
Sequence
Example:
|
A |
|
1 |
=[[1,2,3,,2,,1,1,1,1],[2,,4,5,6,7]] |
|
2 |
=A1.ismissm() |
|
3 |
=[["one",,"three","four",, ,"ten"],["one","two"," ","one"]] |
|
4 |
=A3.ismissm() |
|
5 |
=[[1,1,1,1,0,1,1,1],[1,1,1,1,0,1,1,1],[0,0,0,0,1,0,1]] |
|
6 |
=0 |
|
7 |
=A5.ismissm(A6) |
|
8 |
=[0] |
|
9 |
=A5.ismissm(A8) |
|
10 |
=[["one","one","two","one","one"],["two","one","one","one"]] |
|
11 |
=["two"] |
|
12 |
=A10.ismissm(A11) |
|