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Data Manipulation with pandas
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  • Data Manipulation with pandas

    Run the hidden code cell below to import the data used in this course.

        # Import the course packages
    import pandas as pd
    import numpy as np
    import matplotlib.pyplot as plt
    # Import the four datasets
    avocado = pd.read_csv("datasets/avocado.csv")
    homelessness = pd.read_csv("datasets/homelessness.csv")
    temperatures = pd.read_csv("datasets/temperatures.csv")
    walmart = pd.read_csv("datasets/walmart.csv")

    Take Notes

    Add notes about the concepts you've learned and code cells with code you want to keep.

    Add your notes here

    # Add your code snippets here
    # Taking notes that how 2d array work so 

    Explore Datasets

    Use the DataFrames imported in the first cell to explore the data and practice your skills!

    • Print the highest weekly sales for each department in the walmart DataFrame. Limit your results to the top five departments, in descending order. If you're stuck, try reviewing this video.
    • What was the total nb_sold of organic avocados in 2017 in the avocado DataFrame? If you're stuck, try reviewing this video.
    • Create a bar plot of the total number of homeless people by region in the homelessness DataFrame. Order the bars in descending order. Bonus: create a horizontal bar chart. If you're stuck, try reviewing this video.
    • Create a line plot with two lines representing the temperatures in Toronto and Rome. Make sure to properly label your plot. Bonus: add a legend for the two lines. If you're stuck, try reviewing this video.

    Taking notes how 2d array work cause dataframe are 2d array every data structure is built using array