Create a Heatmap with plotly express –
Let’s read a dataset
import pandas as pd
url = "https://raw.githubusercontent.com/bprasad26/lwd/master/data/happiness_2019.csv"
df = pd.read_csv(url)
df = df.loc[:,'Score':'Perceptions of corruption']
df.head()
To create a heatmap in plotly express we use px.imshow() method.
import plotly.express as px
corr_matrix = df.corr()
fig = px.imshow(corr_matrix)
fig.show()
Display Text on Heatmap –
Too display text in heatmap use the text_auto parameter.
corr_matrix = df.corr()
fig = px.imshow(corr_matrix)
fig.show()
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