Description Usage Arguments Details Value Author(s) References Examples
Fit a specific two Guassian mixture distribution
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Z |
numeric vector of observed data |
pi0 |
initial proportion of samples from f0 |
tol |
how small a change lhood prompts continued optimization |
maxit |
maximum number of iterations |
s2 |
initial value for sigma^2 |
Assumes Z ~ N(0,1) with prob pi0, Z ~ N(0,1+sigma^2) with prob 1-pi0
Aims to estimate sigma^2 and pi0.
a list of two objects giving fitted values and history
Chris Wallace
Cut down from more general version at https://gist.github.com/chr1swallace/11421212 for speed.
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