Overview of the stats[transform] Subpackage

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	Calling Sequence
	stats[transform]command](arguments) command(arguments)

Description

•	Important: The stats package has been deprecated. Use the superseding package Statistics instead.

•	The stats[transform] subpackage provides various tools for transforming lists of statistical data.

•	Each command in the stats[transform] package can be accessed by using either the long form or the short form of the command name in the command calling sequence.

List of stats[transform] Subpackage Commands

•	The following is a list of available commands.

apply	extends map() to statistical data.
classmark	replace data classes by their class mark (mid-point).
cumulativefrequency	count up the weights of the data items.
deletemissing	delete missing data from the data list.
divideby	divide the data by a number or a
	descriptive statistics function.
frequency	give the weights of each data item.
moving	compute moving averages and other moving quantities.
multiapply	apply a formula across multiple data lists.
scaleweight	multiply the weights of the data by a given value.
split	split the data list into multiple lists
	of the same weight.
standardscore	replace each data item by its standard score
	(z-value).
statsort	sort statistical data.
statvalue	give the value of each data item. That is, set
	their weight to 1.
subtractfrom	subtract from the data a number
	or a descriptive statistics function.
tally	tally each data item.
tallyinto	tally each item into specified classes.

To display the help page for a particular stats[transform] command, see Getting Help with a Command in a Package.

•	Some commands either require or use parameters in addition to the data given as arguments. These parameters appear as an index to the command name. See transform[standardscore] for an example.

•

If a particular call cannot be evaluated, for example trying to find the mode of a statistical list that contains a non-numeric entry, then the call is returned unevaluated. Information is provided in the variable `stats/lasterror` as to the reason why a call was not evaluated. Also, this information is automatically given if infolevel[stats] has a value greater than or equal to one, prior to the unsuccessful call.

Examples

Important: The stats package has been deprecated. Use the superseding package Statistics instead.

(1)

(2)

(3)

(4)

(5)

Remembering that the left boundary of a class is inclusive, and the right boundary is exclusive (so the 10 above belongs to 10..15 and not 5..10, we have: