72,748 questions
Score of -3
2 answers
122 views
How to plot specific data types in matplotlib
I want to plot variables against timedate but I want different graphs for different types of data. For example N2O_flux against time but the the graphs only shows data point of fertilizer LowN.
This ...
Score of 3
2 answers
122 views
matplotlib savefig silently exits with code 1 after plt.plot() succeeds — no exception, no output
I am running Python 3.13.14 on Windows 11, using VS Code 1.100.3 with the ms-python extension, inside a conda environment managed by Miniforge3. matplotlib version is 3.11.1, PyQt5 (pyqt 5.15.11) is ...
Score of 3
1 answer
141 views
How to draw a radial axis in polar coordinate with matplotlib?
I am using ax.pcolor() to create a plot in polar coordinates, and I would like to add a radial axis-like line at a fixed angle (e.g., 250 degrees).
Specifically, I would like the axis-like line to:
...
Score of 2
2 answers
288 views
Trying to Change A Pixel in Python
I'm trying to change a pixel to red. However, when I run the code, the pixel remains unedited. Can you help?
import cv2 as cv
import os
import matplotlib.pyplot as plt
def readAndWriteImage():
...
Score of 9
1 answer
958 views
Conway's Game of Life: How can we colour the cells based on number of neighbours? (change number of neighbours to age of cells)
I've coded Conway's Game of Life in NumPy and Matplotlib.
It works, but I want to alter the colours of the cells based on their numbers of neighbours. My code does set background colour and cell ...
Score of 4
2 answers
186 views
How can I boxplot values that wrap around using matplotlib?
I want to show the distribution of angle estimations using a boxplot. The problem is that angles wrap around (I chose +-180° as the wrapping point, but the same applies to 0/360°).
Matplotlibs boxplot ...
Score of 2
1 answer
123 views
Plot grid shifted against data points
I have defined a plotting method (in a class, where self.steps is a list of lists of dictionaries, containing different "feature": value associations. Also self.path_alignments here is a ...
Score of 0
1 answer
107 views
Data Labels on Matplotlib and Saving graph to a pptx
I was creating visuals/graph using matplotlib. So far, I need to create a data labels with the follow data sample.
cellvalue1 = [1,2,3,4,5,6,7,8,9,10,11,12,13]
cellvalue2 = [1,2,3]
fig, ax = plt....
Score of 0
1 answer
120 views
What Python packages/libs are your favorite for automating prod level report building (graphs, charts)
I realize this is a broad question and will depend case by case. Really just looking to explore new Python libraries and pandas since there are so many out there! My main tasks involve moving data ...
Score of 0
3 answers
221 views
Very high uncertainty in a parameter using curve_fit() on exponential relation
Plots of different graphs fitted using the same function
I tried fitting my plots, which are supposed to show a negative exponential using the same function, but predictions for L_infty are really ...
Score of 4
1 answer
100 views
Same legend label for different plot in a same graph
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(1, 6, 10)
plt.figure()
for i in range(10):
T = i + 20
Fit = 4 * x - ( 2 + i)
noise = np.random.normal(loc=0, scale=1.0, ...
Score of -1
1 answer
108 views
"import matplotlib.pyplot as plt" & "import meteostat as ms" script not running
In my Visual Studio Code is not importing these programs with the following script
import matplotlib.pyplot as plt
import meteostat as ms
Are there "pandas" or "pip" commands I ...
Score of 4
1 answer
166 views
plt.show() does not display plots when running python venv through crontab
I have a python script, test.py:
import matplotlib.pyplot as plt
plt.plot()
plt.show()
plt.savefig("/home/user/Desktop/test.png")
When I run it in a virtual environment using this,
user@...
Score of 0
1 answer
83 views
calplot height does not match Plotly chart height in two-column layout
I am building a Streamlit dashboard with two columns:
Left: a Plotly pie chart
Right: a calendar heatmap using calplot
My issue is that I cannot make both visualizations have the same height. Even ...
Score of 0
2 answers
111 views
Approach to graphing with matplot
So I have the following problem:
I have several pandas Series's which I want to graph using matplotlib's subplot.
I came up with the following code
items = [expcat, inccat, expmonth, incmonth]
fig, ...