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Barkamih
Pyrite | Level 9
proc nlin data = new method = marquardt;
  parms A = 15 B = -0.19 C = 0.0012 ;
      by pr  ;
  model TEST_DAY_PROT_PERCENT = A * Time **b * exp(-C*Time);
  output out = Fit predicted = pred ;
  symbol1 interpol= join value = star color= black;
symbol2 interpol = none value = none color = red;
 run;
QUIT;
proc sort data=fit; by time;

proc gplot data=fit;
title1' Lactation curves of milk fat and milk protein % ';
	plot pred*time TEST_DAY_PROT_PERCENT*time/overlay;
run;quit;

Hi guys,,,

I just wanted to know how to plot two curves from the same dataset on the same graph. 

this code has to plot only one curve for prot_percent, I wanna to plot fat_percent on the same graph, and all the data on the same dataset. (may dataset name is fit).

 

best regards 

 

Ibrahim 

 

1 REPLY 1
ballardw
Super User

It may be time to use the newer SG graphics procedures. SGPLOT makes it fairly easy to create multiple plots as you request as long as the x axis use the same variable.

 

proc sgplot data=fit;
title1' Lactation curves of milk fat and milk protein % ';
   series y=pred x=time;
   series y=TEST_DAY_PROT_PERCENT x=time;
   series y=Fat_PERCENT x=time;
run;

Lots of appearance options related to markers and colors to control

 

Use SCATTER instead of SERIES if you want points instead of connected points.

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