Standard Deviation of Matrix Data Find the column standard deviations for matrix data with missing values. X = magic(3); X([1 6:9]) = NaN X =3×3NaN 1 NaN 3 5 NaN 4 NaN NaN y = nanstd(X) y =1×30.7071 2.8284 NaN Standard Deviation for Population vs. Sample ...
At present the rat issue is under control and the rat population and damage continues to be monitored via a regular rat census. If numbers and signs of infestation indicate an increase to a certain level rat baits may be used. HOP is maintaining records of all applications including active ...