11 questions from the last 30 days
2
votes
2
answers
143
views
Pandas aggregate() creates weird DataFrame
I've been scratching my head over this way too long now, but can't find any answers online, and I hope someone can shed some light on this.
I'm working with Pandas and a csv file, from which I need to ...
- 57
3
votes
2
answers
103
views
How to visualize a dense, gappy time series with spikes in Python?
I have a sensor time series with these properties:
~250,000 data points at high sampling rate over ~12 hours
~11 continuous segments separated by 30-40 minute gaps (sensor goes offline periodically)
...
- 311
1
vote
2
answers
80
views
Missing minus signs in symlog scale
I have the following plot, using a symmetric log scale:
from matplotlib import pyplot as plt
from matplotlib import ticker
(_, ax) = plt.subplots()
ax.plot([-100, -1, -0.5, 0, 0.5, 1, 100], marker='o')...
- 657
3
votes
1
answer
124
views
Pandas IndexError: DataFrame indexer is not allowed for .iloc
I'm trying to plot actual vs predicted values using matplotlib.
Here is my code:
import pandas as pd
import matplotlib.pyplot as plt
from sklearn.model_selection import train_test_split
from sklearn....
- 39
1
vote
0
answers
115
views
Legends and handles not showing correctly in subplots
I have some figures with subplots where I compare various parameters from two tests (excel files Testdata1 and Testdata2) . Since the same two test is in all the subplots I use legend on the figure ...
- 11
0
votes
1
answer
186
views
How can I make this plot using Seaborn or matplotlib?
How can I make this plot using Seaborn or matplotlib? A key requirement is that the plot code be less than about 10 lines (this code is meant to go in a book and should not require a PhD in matplotlib)...
- 3,577
Advice
0
votes
3
replies
68
views
How to make a 3D plot from a 3D numpy array
I would like to make a 3D surface plot (ideally like the one seen here https://matplotlib.org/stable/gallery/mplot3d/contour3d_3.html) from a 3D array.
How do I take one 3D array and create the three ...
- 63
1
vote
0
answers
131
views
python trying to plot a DFA with networkx and matplotlib
Hi I was trying to implement a plot function for a DFA class, using networkx in python.
def plot(self):
G = nx.MultiDiGraph()
nodes = self.collect_nodes()
for n in nodes:
...
- 1,426
Advice
0
votes
2
replies
96
views
Python mandelbrot set iteration slider
I've got a class project to do, it's supposed to display the mandelbrot set with a customizable colour map and a max_iter slider. I've got the colour map radio buttons working, but I can't manage the ...
- 1
0
votes
0
answers
51
views
Matplotlib 3D plot Z-axis label not showing [duplicate]
So im trying to plot a 3D figure as shown in here.
The problem is that Z label is not appearing at all. Is there a way to make like the box smaller or make the figure larger so it can fit in ?
Below ...
- 11
0
votes
0
answers
55
views
Matplotlib figsize has no visible effect in Spyder plots pane
I am using Matplotlib in Spyder and I am trying to change the figure size with figsize, but it does not seem to make any visible difference no matter what values I use.
For example, even if I change:
...
