groupstats {mixdist} | R Documentation |
groupstats
is a function which estimates the
proportion, mean and standard deviation for a mixture
distribution with one component.
groupstats(mixdat)
mixdat |
A data frame containing grouped data, whose first column should be right boundaries of grouping intervals where the first and last intervals are open-ended; whose second column should consist of the frequencies indicating numbers of observations falling into each interval. |
A list containing the following components:
pi |
the value is |
mu |
the estimated mean of |
sigma |
the estimated standard deviation of |
mixgroup
for grouping data, mixparam
for
constructing starting values of parameters.
data(pike65)
groupstats(pike65)