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WebDataFrames are two-dimensional data structures, while Series is a one-dimensional data structure. Q5. What is NumPy in Pandas? NumPy in Pandas is a built-in package used to perform numerical calculations and process elements in one-dimensional and two-dimensional arrays. WebStep-by-step explanation. Principal component analysis yields a figure depicting the cumulative explained variance ratio of the data (PCA). Number of components on the x-axis, and total variation explained by components on the y-axis. The ratio of cumulative explained variance becomes larger as the number of components grows larger. Web20 jul. 2024 · When you complete each question, you get more familiar with NumPy. You will learn the following skills after solving this exercise. Array creation and its Attributes, numeric ranges in numPy, Slicing, and indexing of NumPy Array. Array manipulation, Searching, Sorting, and splitting. Array Mathematical functions, broadcasting, and … health chart for kids