Description Usage Arguments Value Note Author(s) Examples
Descriptive statistics for constructs and elements of a grid.
Descriptive statistics for constructs and elements of a grid.
1 2 3  statsElements(x, index = TRUE, trim = 20)
statsConstructs(x, index = T, trim = 20)

x 

index 
Whether to print the number of the element. 
trim 
The number of characters an element or a construct
is trimmed to (default is

A dataframe containing the following measures is returned invisibly
(see describe
):
item name
item number
number of valid cases
mean standard deviation
trimmed mean (with trim defaulting to .1)
median (standard or interpolated)
mad: median absolute deviation (from the median)
minimum
maximum
skew
kurtosis
standard error
Note that standard deviation and variance are estimations,
i.e. including Bessel's correction. For more info type ?describe
.
Note that standard deviation and variance are estimated ones,
i.e. including Bessel's correction. For more info type ?describe
.
Mark Heckmann
Mark Heckmann
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22  ## Not run:
statsConstructs(fbb2003)
statsConstructs(fbb2003, trim=10)
statsConstructs(fbb2003, trim=10, index=F)
statsElements(fbb2003)
statsElements(fbb2003, trim=10)
statsElements(fbb2003, trim=10, index=F)
# save the access the results
d < statsElements(fbb2003)
d
d["mean"]
d[2, "mean"] # mean rating of 2nd element
d < statsConstructs(fbb2003)
d
d["sd"]
d[1, "sd"] # sd of ratings on first construct
## End(Not run)

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