The UNIVARIATE Procedure

Example 10: Creating a Two-Way Comparative Histogram

Procedure features:

PROC UNIVARIATE statement options:

NOPRINT

CLASS statement options:

ORDER=

HISTOGRAM statement options:

	CFILL=
	INTERTILE=
	MIDPOINTS=
	NCOLS=
	NROWS=
	VAXIS=
	VAXISLABEL=
	VSCALE=

INSET statement options:

	FONT=
	HEIGHT=
	NOFRAME
	POSITION=
	statistical-keyword

VAR statement

Other features:

FORMAT statement

FORMAT procedure

GOPTIONS statement

Data set:

METROPOP

suppresses the tables of descriptive statistics
specifies two classification variables
specifies the order of the component histograms
creates a two-way comparative histogram with a specified number of rows and columns
specifies the distance between the component histogram tiles
specifies the scale, values, and labels of the vertical axis
specifies the midpoints for histogram intervals
enhances the component histograms by insetting a table of summary statistics
requests graphical enhancements that change fill color and font types.

Program

goptions htitle=4 htext=3 ftext=swiss ftitle=swiss;

proc format; value Regnfmt 1='Northeast' 2='South' 3='Midwest' 4='West'; run;

proc univariate data=metropop noprint; var populationcount;

class region decade(order=freq);

histogram /nrows=4 ncols=2 intertile=1 cfill=cyan vscale=count vaxis=0 4 8 12 vaxislabel='No. of States' midpoints=0 to 30 by 5;

inset sum='Total Population:' (4.1) / noframe position=ne height=2 font=swissxb;

format region regnfmt.; title 'United States Census of Population and Housing'; run;

Output

Two-way Comparative Histogram

[IMAGE]

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