APPLICATION OF SUPERVISED LEARNING
MACHINE LEARNINGHARD QUESTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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for var in categorical:print(df[v0ar].value ____ counts())What does this code means?
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To view the values
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view frequency of categorical variables
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view all the values and variables
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All of these
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Explanation:
Detailed explanation-1: -The bar chart is often used to show the frequencies of a categorical variable.
Detailed explanation-2: -Often while working with pandas dataframe you might have a column with categorical variables, string/characters, and you want to find the frequency counts of each unique elements present in the column. Pandas’ value counts() easily let you get the frequency counts.
Detailed explanation-3: -‘value counts()‘ is a function in the pandas library that returns the frequency of each unique value in a categorical data column. This function is useful when you want to get a quick understanding of the distribution of a categorical variable, such as the most common categories and their frequency.
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