python - error while using matplotlib.pyplot.scatter function for the first time
matplotlib, python
Solution
It's not an error message. It's a string representation of an object.
If you ran the code above in an interactive shell, then what you see is a string representation of the value returned by the `plt.scatter` function.
To actually open the window, you usually need to call `plt.show()` at the end.
Or if you want it to be interactive, it is suggested to set `interactive: True` in your `.matplotlibrc`.
On an unrelated note, semicolons are not needed at the end of the line in Python.
Problem
I just wanted to get started on using the matplotlib library for the first time. So I type the following commands: ``` import numpy as np import scipy as sp import matplotlib.pyplot as plt data = sp.genfromtxt("web_traffic.tsv", delimiter = "\t"); x = data[:, 0]; y = data[:, 1]; x = x[~sp.isnan(y)]; y = y[~sp.isnan(y)]; plt.scatter(x, y); ``` And I have received the following error : ``` <matplotlib.collections.PathCollection object at 0x246abd0> ``` I have no idea what is causing this, I have just installed the required packages, `scipy`, `matplotlib` and it returned to me that particular error. I tried to google it but with no results. I am using openSuse as OS and python came by default. My main purpose is to start learning using the `scykit learn` package. Can you give me any advice on how to get over this error?