Coloured Scatter Diagram

[rebeccabarton]

Hi, 

I'm trying to create a scatter plot with two continuous variables. I'd then like to colour the plots according to a third, categorical variable.

Is this possible? 

My code so far is

proc sgplot data = sasuser.data1;
scatter x = tradingyears y = sales2015;
run;

[Reeza]

Of course! 

Try adding the third variable as a GROUP var in your scatter statement. Example 1 in the documentation covers this 

http://support.sas.com/documentation/cdl/en/grstatproc/69716/HTML/default/viewer.htm#n06fb9ichgg6akn...

If you want to control the colours see the post below

http://blogs.sas.com/content/iml/2012/10/17/specify-the-colors-of-groups-in-sas-statistical-graphics...

Possibly more than you need now, but good to know:

http://blogs.sas.com/content/iml/2017/01/30/auto-discrete-attr-map.html

[rebeccabarton]

Thanks, this is perfect, is it also possible to set the colour of the whole plot simply? 

[Reeza]

I'm not sure what you mean by 'whole plot'? 

Colours are usually defined by the Style set. If you're using SAS Studio this is likely HTMLBlue. For publications the style Journal/Journal1 are good. For a clean compact look, I like the Seaside and Meadow styles. Finally, there's a post on here that has the style definition in the style of Stephen Few. 

[rebeccabarton]

Sorry I meant if I wanted to change the colour of the plots, when not splitting by the categorical variable. So just each dot.

[Rick_SAS]

See "Three ways to specify colors in SAS statistical procedures."  Also see the documentation for the SCATTER statement, especially the MARKERATTRS= option.