Making Heatmap from Pandas DataFrame

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Prerequisites Before we dive into creating heatmaps, make sure you have the following prerequisites installed: – Python: You can download and install Python from the official website ( – Pandas: Pandas is a powerful data manipulation library in Python. You can install it using the command pip install pandas. – Matplotlib: Matplotlib is a popular …

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Counting Duplicate Values in Pandas DataFrame

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Problem Statement Suppose we have a DataFrame containing information about crimes reported in a city. The DataFrame has columns such as Month, LSOA, code, Longitude, Latitude, and Crime type. We want to count the number of times each combination of Longitude, Latitude, and Crime type occurs in the DataFrame. Solution To count duplicate values in …

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How to Rename MultiIndex Columns in Pandas

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When working with complex datasets in Pandas, it is common to encounter MultiIndex columns. MultiIndex columns allow for hierarchical column labels, which can be useful for organizing and structuring data. However, there may be situations where you need to rename these MultiIndex columns to make them more meaningful or easier to work with. In this …

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