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Spectrum error analysis

1 byte added, 12:32, 19 June 2013
from $k$ series of measurements can be calculated as
$$
s_p=\sqrt{\frac{(n_1-1)s_1^2+(n_2-1)s_2^2+...+(n_k-1)s_k^2}{n_1+n_2+...+n_k-k}}
$$
== See also ==
[[Category:Analysis]]