Description Usage Arguments Value See Also Examples
Calculate pooled unbiased estimates of central moments and their powers and products.
1 | M4two(m2, m4, n_x, n_y)
|
m2 |
naive biased variance estimate m[2] =
mean(c((X - X-bar)^2, (Y - Y-bar)^2)) for vectors |
m4 |
naive biased fourth central moment estimate m[4] = mean(c((X - X-bar)^4, (Y - Y-bar)^4)) for vectors
|
n_x |
number of observations in the first group. |
n_y |
number of observations in the second group. |
Pooled estimate of a fourth central moment.
Other unbiased estimates: M2M3one
,
M2M3two
, M2M4one
,
M2M4two
, M2one
,
M2pow2one
, M2pow2two
,
M2pow3one
, M2pow3two
,
M2two
, M3one
,
M3pow2one
, M3pow2two
,
M3two
, M4one
,
M5one
, M5two
,
M6one
, M6two
1 2 3 4 5 6 7 8 9 10 |
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