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Questions and Answers
What method is used to import the pandas library?
What method is used to import the pandas library?
- import pandas
- from pandas import pd (correct)
- import pd as pandas
- import numpy as pd
Which method is used to read a CSV file named 'landprice.csv'?
Which method is used to read a CSV file named 'landprice.csv'?
- df = read_csv('landprice.csv')
- df = pd.read_csv('landprice.csv') (correct)
- pd.read('landprice.csv')
- df.read_csv('landprice.csv')
What is the mean price of the properties listed in the dataset?
What is the mean price of the properties listed in the dataset?
- $680,000
- $550,000
- $725,000
- $624,000 (correct)
What does 'df.head(3)' display?
What does 'df.head(3)' display?
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How can you view the bottom two rows of the dataset?
How can you view the bottom two rows of the dataset?
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What does the code 'df.describe()' do?
What does the code 'df.describe()' do?
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What does the 'reg.coef_' code output represent?
What does the 'reg.coef_' code output represent?
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What does 'reg.predict([])' do?
What does 'reg.predict([])' do?
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What is the purpose of creating a new CSV file with area sizes and using the linear regression model to predict prices?
What is the purpose of creating a new CSV file with area sizes and using the linear regression model to predict prices?
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What does the plot marker 'marker = '+'' signify in 'plt.scatter(df.area, df.price, color = 'green', marker = '+')'?
What does the plot marker 'marker = '+'' signify in 'plt.scatter(df.area, df.price, color = 'green', marker = '+')'?
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