ImportError: ‘No module named plotly.plotly’ in LinuxMint17.3
You will need to install them first.
plot
How to plot ROC curve in Python
I am trying to plot a ROC curve to evaluate the accuracy of a prediction model I developed in Python using logistic regression packages. I have computed the true positive rate as well as the false positive rate; however, I am unable to figure out how to plot these correctly using matplotlib and calculate the AUC value. … Read more
Save plot to image file instead of displaying it using Matplotlib
While the question has been answered, I’d like to add some useful tips when using matplotlib.pyplot.savefig. The file format can be specified by the extension: Will give a rasterized or vectorized output respectively, both which could be useful. In addition, there’s often an undesirable, whitespace around the image, which can be removed with: Note that … Read more
matplotlib savefig() plots different from show()
savefig specifies the DPI for the saved figure (The default is 100 if it’s not specified in your .matplotlibrc, have a look at the dpi kwarg to savefig). It doesn’t inheret it from the DPI of the original figure. The DPI affects the relative size of the text and width of the stroke on lines, etc. If you want … Read more
How do you change the size of figures drawn with Matplotlib?
figure tells you the call signature: figure(figsize=(1,1)) would create an inch-by-inch image, which would be 80-by-80 pixels unless you also give a different dpi argument.
What is the difference between importing matplotlib and matplotlib.pyplot?
I don’t know of any way to import all the functions from every submodule. Importing all the functions from a submodule is possible the way you suggested with e.g. from matplotlib.pyplot import *. Be noted of a potential problem with importing every function; you may override imported functions by defining your own functions with the same … Read more