this post was submitted on 25 Jun 2024
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Last weeks thread here

Welcome to this week’s casual kōrero thread!

This post will be pinned in this community so you can always find it, and will stay for about a week until replaced by the next one.

It’s for talking about anything that might not justify a full post. For example:

  • Something interesting that happened to you
  • Something humourous that happened to you
  • Something frustrating that happened to you
  • A quick question
  • A request for recommendations
  • Pictures of your pet
  • A picture of a cloud that kind of looks like an elephant
  • Anything else, there are no rules (except the rule)

So how’s it going?

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[–] absGeekNZ@lemmy.nz 4 points 4 months ago* (last edited 4 months ago) (1 children)

You could do this with python and a couple of libraries. This is just an example, but you could import the data from a DB or use a CSV file.

import matplotlib.pyplot as plt
import numpy as np

# Pie chart data
labels = ['Category A', 'Category B', 'Category C', 'Category D', 'Category E']
sizes = [30, 25, 20, 15, 10]
colors = ['#ff9999','#66b3ff','#99ff99','#ffcc99','#c2c2f0']

# Pie chart
plt.figure(figsize=(8, 8))
plt.pie(sizes, labels=labels, colors=colors, autopct='%1.1f%%', startangle=140)
plt.title('Sample Pie Chart')
plt.axis('equal') # Equal aspect ratio ensures that pie is drawn as a circle.
plt.show()

# Histogram data
data = np.random.normal(0, 1, 1000) # Generate 1000 random data points with a normal distribution

# Histogram
plt.figure(figsize=(10, 6))
plt.hist(data, bins=30, color='#66b3ff', edgecolor='black')
plt.title('Sample Histogram')
plt.xlabel('Value')
plt.ylabel('Frequency')
plt.show()

[–] Dave@lemmy.nz 2 points 4 months ago (1 children)

Ooh thanks! I'll definitely have a play with this. What's the step before this? Is it as simple as installing python, putting the code in somefile.py, then running it?

[–] absGeekNZ@lemmy.nz 3 points 4 months ago* (last edited 4 months ago) (1 children)

Yep, if you are running any type of Linux python is already installed.

I always have a path in my python files to allow for direct running rather than calling python first. This only works on Linux.

If you put
#!/usr/bin/env python3
as the very first line, you can make the file executable and it will just run

otherwise you will have to call python first, e.g. python yourFile.py

[–] Dave@lemmy.nz 1 points 4 months ago

Awesome, thanks! I'll have a play with this over the weekend.