Create a new variable that has trends in input series. If t+1 is bigger than or equal to t, than trend in t will be 1, otherwise 0. The end value of trend will always be zero
x = [2; 3; 0; 1; 2; 2; 1; 5; 6; 3];
y = [1; 0; 1; 1; 1; 0; 1; 1; 0; 0];
Omit columns averages from a matrix
2 b | ~ 2 b
Is A the inverse of B?
Check that number is whole number
longest sequence of nans
Produce the following matrix
Integer to boolean
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