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Highlighting a particular cell of a DataFrame in Pandas
schedule Aug 12, 2023
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Tags Python●Pandas
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To highlight a particular cell of a DataFrame, use the DataFrame's style.apply(~) method.
Example
Consider the following DataFrame:
df
A Ba 3 5b 4 6
Solution
To highlight the cell bA:
import numpy as np
# Our custom styling method - this is fired once for each column (Series) of the DataFramedef highlight_cell(col, col_label, row_label): # check if col is a column we want to highlight if col.name == col_label: # a boolean mask where True represents a row we want to highlight mask = (col.index == row_label) # return an array of string styles (e.g. ["", "background-color: yellow"]) return ["background-color: yellow" if val_bool else "" for val_bool in mask] else: # return an array of empty strings that has the same size as col (e.g. ["",""]) return np.full_like(col, "", dtype="str")
df.style.apply(highlight_cell, col_label="A", row_label="b")
The output is as follows:
Published by Isshin Inada
Edited by 0 others
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