Bubble Chart with Transparency

This SAS^© script uses PROC SGPLOT to create a bubble chart. Data is defined inline via a DATA STEP. The output is generated in HTML with a PNG image of the chart, including bubbles with a defined transparency level and custom styles for colors and axes.

Data Analysis

Type : CREATION_INTERNE

The data (`my_data`) is created directly in the SAS script via a DATA STEP and the DATALINES command.

1 Code Block

DATA STEP Data

Explanation :
This DATA STEP block creates the `my_data` dataset with `series`, `x`, `y`, and `value` variables. Values are provided directly in the script via the `datalines` statement. This dataset will be used as the source for the SGPLOT chart.

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1	DATA my_data;
2	LENGTH color $ 8;
3	INPUT series $ 1-1 x y value;
4	DATALINES;
5	A 1.0 1.0 .65
6	A 2.0 0.9 0.3
7	B 1.4 2.3 .65
8	B 2.2 1.4 0.3
9	;
10	RUN;

2 Code Block

PROC SGPLOT

Explanation :
This block configures the ODS output to generate an HTML file (`bub3.htm`) containing the chart. `ods graphics` specifies the PNG format and image dimensions. `title1` defines the main chart title. `PROC SGPLOT` is used to create a bubble chart (`bubble`). Bubbles are plotted based on `x` and `y`, their size is proportional to `value`, and they are grouped by `series`. Bubble transparency is set to 50% (`transparency=.5`). Color and axis styles are also customized.

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1	ODS LISTING CLOSE;
2	ODS HTML path=odsout body="&name..htm"
3	(title="SGplot Bubble with Transparency")
4	style=htmlblue;
5
6	ods graphics / imagefmt=png imagename="&name"
7	width=800px height=600px noborder imagemap;
8
9	title1 color=gray33 ls=0.0 h=23pt "Transparent Bubbles";
10
11	PROC SGPLOT DATA=my_data aspect=1 noautolegend;
12	styleattrs datacolors=(cx9999ff cx993366);
13	bubble x=x y=y size=value / group=series proportional
14	bradiusmax=70px lineattrs=(color=gray33) transparency=.5;
15	yaxis
16	values=(0 to 3 BY 1) label='Y Axis'
17	labelattrs=(size=16pt weight=bold color=gray33)
18	valueattrs=(size=16pt weight=bold color=gray33)
19	offsetmin=0 offsetmax=0 grid minor minorcount=1;
20	xaxis
21	values=(0 to 3 BY 1) label='X Axis'
22	labelattrs=(size=16pt weight=bold color=gray33)
23	valueattrs=(size=16pt weight=bold color=gray33)
24	offsetmin=0 offsetmax=0 grid minor minorcount=1;
25	RUN;
26
27	QUIT;
28	ODS HTML CLOSE;
29	ODS LISTING;

This material is provided "as is" by We Are Cas. There are no warranties, expressed or implied, as to merchantability or fitness for a particular purpose regarding the materials or code contained herein. We Are Cas is not responsible for errors in this material as it now exists or will exist, nor does We Are Cas provide technical support for it.

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