Ploting the error list in linear regression

[hkr_start (Himanshu Kumar)]

when we are using plt.plot(error_list) then the graph shown is error_list vs what???(error is depending on what factor)

[anmolthegr8est (Anmol Singh)]

vs No of iterations
We are using the squared error

The dotted green line from the original data to our predicted line is the error