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comparison scripts/statistics/base/skewness.m @ 17590:a53a97faf61a

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skewness.m: Fix comment * scripts/statistics/base/skewness.m: Fix comment
author Julien Bect <julien.bect@supelec.fr>
date Mon, 07 Oct 2013 21:10:36 +0200
parents a13ff4521538
children 8f2f8c9b2620
comparison
equal deleted inserted replaced
17589:c3aadd228c37 17590:a53a97faf61a
115 y = sum (x .^ 3, dim); 115 y = sum (x .^ 3, dim);
116 idx = (s != 0); 116 idx = (s != 0);
117 y(idx) ./= (n * s(idx) .^ 3); 117 y(idx) ./= (n * s(idx) .^ 3);
118 y(! idx) = NaN; 118 y(! idx) = NaN;
119 119
120 ## Apply bias correction to the third central sample moment 120 ## Apply bias correction to the second and third central sample moment
121 if (flag == 0) 121 if (flag == 0)
122 if (n > 2) 122 if (n > 2)
123 y *= sqrt (n * (n - 1)) / (n - 2); 123 y *= sqrt (n * (n - 1)) / (n - 2);
124 else 124 else
125 y(:) = NaN; 125 y(:) = NaN;
163 %!error <FLAG must be 0 or 1> skewness (1, [1 0]) 163 %!error <FLAG must be 0 or 1> skewness (1, [1 0])
164 %!error <DIM must be an integer> skewness (1, [], ones (2,2)) 164 %!error <DIM must be an integer> skewness (1, [], ones (2,2))
165 %!error <DIM must be an integer> skewness (1, [], 1.5) 165 %!error <DIM must be an integer> skewness (1, [], 1.5)
166 %!error <DIM must be .* a valid dimension> skewness (1, [], 0) 166 %!error <DIM must be .* a valid dimension> skewness (1, [], 0)
167 %!error <DIM must be .* a valid dimension> skewness (1, [], 3) 167 %!error <DIM must be .* a valid dimension> skewness (1, [], 3)
168