sona11
Help Required - EDA Python Code Error
Hello there,
I’m working on an EDA project in Python, and I’d want to see the relationship between three numerical variables: “temperature,” “humidity,” and “pressure.” I intend to construct a heatmap for this purpose, similar to the one shown in this example. I used the following code:
import pandas as pd
import seaborn as sns
import matplotlib.pyplot as plt
# Loading the dataset
data = pd.read_csv('weather_data.csv')
# Extracting temperature, humidity, and pressure columns
temperature = data['temperature']
humidity = data['humidity']
pressure = data['pressure']
# Creating the correlation matrix
correlation_matrix = data.corr()
# Creating the heatmap
sns.heatmap(correlation_matrix, annot=True, cmap='coolwarm')
plt.title('Correlation Heatmap')
plt.show()
However, when I run the code, I get the following error:
ValueError: The truth value of a DataFrame is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all().
I’m not sure what caused this mistake or how to solve it. Could someone possibly help me understand the problem with my code and how to appropriately produce the correlation heatmap for the three variables?
Thank you for your assistance!
Most Liked
gulshan212
Well, there are some error in data.corr() function.
Here is the correct code:
import pandas as pd
import seaborn as sns
import matplotlib.pyplot as plt
# Loading the dataset
data = pd.read_csv('weather_data.csv')
# Extracting temperature, humidity, and pressure columns
temperature = data['temperature']
humidity = data['humidity']
pressure = data['pressure']
# Creating the correlation matrix
correlation_matrix = pd.DataFrame({'temperature': temperature, 'humidity': humidity, 'pressure': pressure}).corr()
# Creating the heatmap
sns.heatmap(correlation_matrix, annot=True, cmap='coolwarm')
plt.title('Correlation Heatmap')
plt.show()
Thanks
1
Popular General Dev topics
Hello! It’s Jay Wengrow, author of A Common-Sense Guide to Data Structures and Algorithms. My book now has a supplemental website, where ...
New
Thought it might be worth having a dedicated thread for standing desk treadmills (for those interested, here’s our general thread on stan...
New
The V Programming Language
Simple language for building maintainable programs
V is already mentioned couple of times in the forum, but I...
New
Hi everyone… I’m so sorry about the delay in getting this thread up, I’ve just been so busy :see_no_evil:
Are there any book clubs you’d...
New
What shell(s) do you use, why do you use them, and how do you have them configured?
Note, this is about shell’s, not terminals, terminal...
New
A modern streaming platform for mission critical workloads
Redpanda is a Kafka® compatible event streaming platform. No Zookeeper®, no JV...
New
I’ve been watching Prag Dave’s Elixir course and I noticed he uses tree:
Tree is a recursive directory listing program that produces a ...
New
Maybe we need a thread of hosting providers we like and for what reasons. I personally like OVH, they are a very low level host (they re...
New
Your users of the two forums are spread across the world, thus I am curious how did you solved it?
New
Amazon CodeWhisperer is an alternative to GitHub Copilot, and it’s free!
New
Other popular topics
Curious to know which languages and frameworks you’re all thinking about learning next :upside_down_face:
Perhaps if there’s enough peop...
New
New
Just done a fresh install of macOS Big Sur and on installing Erlang I am getting:
asdf install erlang 23.1.2
Configure failed.
checking ...
New
I ended up cancelling my Moonlander order as I think it’s just going to be a bit too bulky for me.
I think the Planck and the Preonic (o...
New
This looks like a stunning keycap set :orange_heart:
A LEGENDARY KEYBOARD LIVES ON
When you bought an Apple Macintosh computer in the e...
New
The V Programming Language
Simple language for building maintainable programs
V is already mentioned couple of times in the forum, but I...
New
Biggest jackpot ever apparently! :upside_down_face:
I don’t (usually) gamble/play the lottery, but working on a program to predict the...
New
Hi folks,
I don’t know if I saw this here but, here’s a new programming language, called Roc
Reminds me a bit of Elm and thus Haskell. ...
New
I have always used antique keyboards like Cherry MX 1800 or Cherry MX 8100 and almost always have modified the switches in some way, like...
New
Ok, well here are some thoughts and opinions on some of the ergonomic keyboards I have, I guess like mini review of each that I use enoug...
New
Categories:
Sub Categories:
- All
- In The News (10487)
- Dev Chat
- Questions (34)
- Resources (119)
- Blogs/Talks (27)
- Jobs (3)
- Events (15)
- Code Editors (59)
- Hardware (57)
- Reviews (5)
- Sales (16)
- Design & UX (5)
- Marketing & SEO (2)
- Industry & Culture (14)
- Ethics & Privacy (19)
- Business (4)
- Learning Methods (5)
- Content Creators (7)
- DevOps & Hosting (9)
Popular Portals
- /elixir
- /rust
- /ruby
- /wasm
- /erlang
- /phoenix
- /keyboards
- /python
- /js
- /rails
- /security
- /go
- /swift
- /vim
- /clojure
- /emacs
- /haskell
- /java
- /svelte
- /onivim
- /typescript
- /kotlin
- /c-plus-plus
- /crystal
- /tailwind
- /react
- /gleam
- /ocaml
- /elm
- /flutter
- /vscode
- /ash
- /html
- /opensuse
- /centos
- /php
- /zig
- /deepseek
- /scala
- /sublime-text
- /textmate
- /lisp
- /react-native
- /nixos
- /debian
- /agda
- /kubuntu
- /arch-linux
- /deno
- /django
- /nodejs
- /revery
- /ubuntu
- /manjaro
- /spring
- /diversity
- /lua
- /julia
- /markdown
- /c








