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In Pandas, what method is used to calculate the mean, median, and other summary statistics for numerical columns in a DataFrame?
In Pandas, which method is used to calculate the covariance between two numerical columns in a DataFrame?
Given below are six sentences, four of which (P,Q,R,S) are jumbled. Pick the option that gives the correct order of P,Q,R,S S-1 A summary is a short, yet coherent version of a text P - In formal settings, since no one has the time to go through the minute details of each and every document, the summary helps in keeping track of whatever is essential in an official environment. Q - A summary is especially useful in formal settings, such as classroom lectures, business documents, speeches and reports. R - It gives a ready reference to the users to understand the main ideas or highlights of a text and it saves time. S - On the whole, it has two major benefits. S-6 The person who writes a summary, therefore, has the great responsibility of taking down only those points which are of utmost importance.
In Pandas, which method is used to calculate the mode of a numerical column in a DataFrame?
In Pandas, which method is used to calculate the variance of a numerical column in a DataFrame?
What Python method is used to calculate the correlation matrix for a DataFrame, showing the relationships between numerical columns?
In Pandas, which method is used to sort a DataFrame by the values in one or more columns in ascending or descending order?
In Pandas, what method is used to remove duplicate rows from a DataFrame based on specified columns?
What is the correct order of the development of the following? 1. Numerical control 2. Computer numerical control 3. Direct numerical control 4. Distributed numerical control
What Python function is used to select specific rows and columns from a Pandas DataFrame?