Python dataframe row sum

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      Write correct python code to perform the sum operation on specific column, add 10 in each elements of columns and to display mean to display the desire result as follows: ... 35.Write a small python code to drop a row from dataframe labeled as 1. Ans:- # Drop rows with label 1. df = df.drop(1) print(df ) 36. A dataframe fdf stores data about ...

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      Consider the following DataFrame. import pandas as pd. import numpy as np. d1={'Sal':[50000,60000,55000],'bonus':[3000,4000,5000]} df1=pd.DataFrame(d1) Write the python statement using suitable functions among (apply/ apply_map / sum() / mean() _____#To calculate square root of each element of data frame

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      Write a Numpy program to find out smallest and sum of array elements 0,1,2,3,4,5,6,7,8,9. OR Write a python programming code to display and create a 8x8 ndarray and fill it with a checkerboard pattern i.e. 0 and 1 at alternative positions.

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      7. Dataframe.aggregate() function is used to apply some aggregation across one or more column. Aggregate using callable, string, dict, or list of string/callables. Most frequently used aggregations are: sum: Return the sum of the values for the requested axis. min: Return the minimum of …

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      Consider the following DataFrame. import pandas as pd. import numpy as np. d1={'Sal':[50000,60000,55000],'bonus':[3000,4000,5000]} df1=pd.DataFrame(d1) Write the python statement using suitable functions among (apply/ apply_map / sum() / mean() _____#To calculate square root of each element . of data frame

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      Write python statement to create a one –dimensional array using arrange() function .Elements will be in the range 10 to 30 with a step of 4 (including both 10 and 30). Reshape this one-dimensional array to two dimensional array of shape(2,3).

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    • Alternatives to DFsort/Syncsort features in Python - A ...

      With the concat() method in Python files with different layouts can be combined and processed. When the rows are combined row-wise Python automatically applies NULL values and aligns the data based on the column headers. DFsort/Syncsort lacks this feature.

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