Plot Regression This example shows how to plot the linear regression of a feedforward net. [x,t] = simplefit_dataset; net = feedforwardnet(10); net = train(net,x,t); y = net(x); plotregression(t,y,'Regression') Input Arguments ...
Plot Regression Copy Code Copy Command This example shows how to plot the linear regression of a feedforward net. Get [x,t] = simplefit_dataset; net = feedforwardnet(10); net = train(net,x,t); Get y = net(x); plotregression(t,y,'Regression')Input...
% Plot the linear fit hold on; % keep previous plot visible plot(X(:,2), X*theta, '-') legend('Training data', 'Linear regression') hold off % don't overlay any more plots on this figure % Predict values for population sizes of 35,000 and 70,000 predict1 = [1, 3.5] *theta...
%PLOTFUNC Summary ofthis function goes here % draw original data and the fitted %===cost function 2===linear regression %original data x1=[1;2;3;4]; y1=[1.1;2.2;2.7;3.8]; %plot(x1,y1,'ro-','MarkerSize',10); plot(x1,y1,'rx','MarkerSize',10); hold on; %fitted line - 拟合...
%linear regression with matlab inner function x=[1;2;3;4;5;6;7]; y=[2.1;5;5.8;8.2;10.5;11;15]; temp=ones(7,1); X=[temp x]; b=regress(y,X) z=b(1)+X*b(2); plot(x,y,'or',x,z,'g'); xlabel('x'); ylabel('y'); ...
1function PlotFunc( xstart,xend )2%PLOTFUNC Summary ofthisfunction goes here3%draw original data and the fitted4567%===cost function2===linear regression8%original data9x1=[1;2;3;4];10y1=[1.1;2.2;2.7;3.8];11%plot(x1,y1,'ro-','MarkerSize',10);12plot(x1,y1,'rx','MarkerSize',10...
b1is the slope or regression coefficient. The linear relation isy=β1x=0.0001372x. Calculate the accidents per stateyCalcfromxusing the relation. Visualize the regression by plotting the actual valuesyand the calculated valuesyCalc. yCalc1 = b1*x; scatter(x,y) holdonplot(x,yCalc1) xlabel...
plotInteraction(mdl,'Cylinders','Weight','predictions') Now look at the interactions with various fixed levels of weight. Get plotInteraction(mdl,'Weight','Cylinders','predictions') Plots to Understand Terms Effects This example shows how to understand the effect of each term in a regression mod...
plot(mdl) plot(ax,mdl) h = plot(___) Description plot(mdl)creates a plot of the linear regression modelmdl. The plot type depends on the number of predictor variables. Ifmdlincludes multiple predictor variables,plotcreates anAdded Variable Plotfor the whole model except the constant (intercep...
首先,要分析数据并查看自变量彼此之间的相关性以及与因变量的相关性,可以使用g-plot矩阵。 COMMENT ON MATLABdata= table(observations(:,1), observations(:,2), observations(:,3),... observations(:,4),observations(:,5),observations(:,6),... ...