sufficient
From HH v3.1-42
by Richard Heiberger
Calculates the mean, standard deviation, and number of observations in each group of a data.frame that has one continuous variable and two factors.
Calculates the mean, standard deviation, and number of observations in each group of a data.frame that has one continuous variable and two factors.
Usage
sufficient(x,
yname = dimnames(x)[[2]][[1]],
factor.names.keep = dimnames(x)[[2]][-c(1, 2)])
Arguments
- x
data.frame
containing a continuous variable and two factors.- yname
Character name of response variable.
- factor.names.keep
Character vecotr containing the names of two factors in the
x
data.frame.
Value
Data.frame containing five columns and as many rows as are implied by
the crossing of the two factors. Each row contains the mean in a
column with the name yname
and its factor values in columns
named with the name in factor.names.keep
. The standard deviation of
the observations in the group are in the column "sd"
and the number
of observations in the group is in the column "nobs"
.
See Also
Community examples
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