custom color trendline and appropriate legend
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Hello! I am having trouble getting my trend line to match my marker colors (which are colors from our template) as the way I tried to enter the custom color was not working for me so for now I have gone back to just r and b so it shows.
Also, I would like to have my legend show either the marker or the trendline, but not have all 4 and I haven't figured out how to do that yet.
Here is what I'm working with so far:
% sample data
PD = [10.7 7.7 8.3 15.7 8.7 11.3 16.0 12.0 15.3 12.3 10.7 15.0 16.7 11.3];
EKDF = [36.5 41.0 35.5 42.5 44.5 37.0 19.5 41.0 32.0 40.0 43.0 37.0 31.5 36.5];
FKDF = [55.0 52.0 43.0 46.0 46.5 49.0 20.5 46.0 36.0 45.0 49.0 41.5 41.5 38.5];
hold on
x1 = EKDF;
y = PD;
sz = 40;
scatter(x1,y,sz,'MarkerEdgeColor',[.5 0 .16],...
'MarkerFaceColor',[.5 0 .16],...
'LineWidth',1.5)
legend('EKDF')
daspect([1 1 1])
coef_fit = polyfit(x1,y,1);
y_fit = polyval(coef_fit,xlim);
plot(xlim,y_fit,'r')
x2 = FKDF;
y = PelvDrop;
scatter(x2,y,sz,'MarkerEdgeColor',[0 .4 .6],...
'MarkerFaceColor',[0 .4 .6],...
'LineWidth',1.5)
legend('FKDF')
coef_fit = polyfit(x2,y,1);
y_fit = polyval(coef_fit,xlim);
plot(xlim,y_fit,'b')
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回答(1 个)
bon sai
2018-1-25
Assign the scatters to objects in workspace, then make a legend only selected objects
PD = [10.7 7.7 8.3 15.7 8.7 11.3 16.0 12.0 15.3 12.3 10.7 15.0 16.7 11.3];
EKDF = [36.5 41.0 35.5 42.5 44.5 37.0 19.5 41.0 32.0 40.0 43.0 37.0 31.5 36.5];
FKDF = [55.0 52.0 43.0 46.0 46.5 49.0 20.5 46.0 36.0 45.0 49.0 41.5 41.5 38.5];
% hold on
x1 = EKDF;
x2 = FKDF;
y = PD;
sz = 40;
figure;
s1 = scatter(x1,y,sz,'MarkerEdgeColor',[.5 0 .16],...
'MarkerFaceColor',[.5 0 .16],...
'LineWidth',1.5)
legend('EKDF');
daspect([1 1 1])
coef_fit = polyfit(x1,y,1);
y_fit = polyval(coef_fit,xlim);
hold on
plot(xlim,y_fit,'Color',[.5 0 .16])
hold on
s2 = scatter(x2,y,sz,'MarkerEdgeColor',[0 0.4 0.6],...
'MarkerFaceColor',[0 0.4 0.6],...
'LineWidth',1.5);
legend('FKDF')
daspect([1 1 1])
coef_fit = polyfit(x2,y,1);
y_fit = polyval(coef_fit,xlim);
hold on
plot(xlim,y_fit,'Color',[0 0.4 0.6])
legend([s1,s2],{'EKDF','FKDF'})
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