Graded Quiz: Data Wrangling >> Data Analysis with Python
TOTAL POINTS 5
1.What task do the following lines of code perform?
avg=df[‘horsepower’].mean(axis=0)
df[‘horsepower’].replace(np.nan, avg)
1 point
2.How would you rename column name from “highway-mpg” to “highway-L/100km”?
1 point
3.How would you cast the column “losses” to an integer?
1 point
4.The following code is an example of:
(df[“length”]-df[“length”].mean())/df[“length”].std()
1 point
5.Consider the two columns ‘horsepower’, and ‘horsepower-binned’; from the dataframe df; how many categories are there in the ‘horsepower-binned’ column?
1 point
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