AmitDiwan has Published 10744 Articles

Python - Check if Pandas dataframe contains infinity

AmitDiwan

AmitDiwan

Updated on 22-Sep-2021 11:32:31

8K+ Views

To check, use the isinf() method. To find the count of infinite values, use sum(). At first, let us import the required libraries with their respective aliases −import pandas as pd import numpy as npCreate a dictionary of list. We have set the infinity values using the Numpy np.inf −d ... Read More

Create a Pivot Table with multiple columns – Python Pandas

AmitDiwan

AmitDiwan

Updated on 22-Sep-2021 11:25:14

2K+ Views

We can create a Pivot Table with multiple columns. To create a Pivot Table, use the pandas.pivot_table to create a spreadsheet-style pivot table as a DataFrame.At first, import the required library −import pandas as pdCreate a DataFrame with Team records −dataFrame = pd.DataFrame({'Team ID': {0: 5, 1: 9, 2: 6, ... Read More

Python - Calculate the minimum of column values of a Pandas DataFrame

AmitDiwan

AmitDiwan

Updated on 22-Sep-2021 11:14:09

559 Views

To get the minimum of column values, use the min() function. At first, import the required Pandas library −import pandas as pdNow, create a DataFrame with two columns −dataFrame1 = pd.DataFrame(    {       "Car": ['BMW', 'Lexus', 'Audi', 'Tesla', 'Bentley', 'Jaguar'], "Units": [100, 150, 110, 80, 110, 90] ... Read More

Python - How to rename multiple column headers in a Pandas DataFrame with Dictionary?

AmitDiwan

AmitDiwan

Updated on 21-Sep-2021 09:11:43

778 Views

To rename multiple column headers, use the rename() method and set the dictionary in the columns parameter. At first, let us create a DataFrame −dataFrame = pd.DataFrame({"Car": ['BMW', 'Mustang', 'Tesla', 'Mustang', 'Mercedes', 'Tesla', 'Audi'], "Cubic Capacity": [2000, 1800, 1500, 2500, 2200, 3000, 2000], "Reg Price": [7000, 1500, 5000, 8000, 9000, ... Read More

Python - Filter Rows Based on Column Values with query function in Pandas?

AmitDiwan

AmitDiwan

Updated on 21-Sep-2021 08:30:34

680 Views

To filter rows based on column values, we can use the query() function. In the function, set the condition through which you want to filter records. At first, import the required library −import pandas as pdFollowing is our data with Team Records −Team = [['India', 1, 100], ['Australia', 2, 85], ... Read More

Python - Convert List of lists to List of Sets

AmitDiwan

AmitDiwan

Updated on 21-Sep-2021 08:29:02

835 Views

When it is required to convert a list of list to a list of set, the ‘map’, ‘set’, and ‘list’ methods are used.ExampleBelow is a demonstration of the samemy_list = [[2, 2, 2, 2], [1, 2, 1], [1, 2, 3], [1, 1], [0]] print("The list of lists is: ") ... Read More

Python program to get all subsets having sum s

AmitDiwan

AmitDiwan

Updated on 21-Sep-2021 08:27:19

709 Views

When it is required to get all the subset having a specific sum ‘s’, a method is defined that iterates through the list and gets all combinations of the list, and if it matches the sum, it is printed on the console.ExampleBelow is a demonstration of the samefrom itertools import ... Read More

Python - Find all the strings that are substrings to the given list of strings

AmitDiwan

AmitDiwan

Updated on 21-Sep-2021 08:24:09

580 Views

When it is required to find all the strings that are substrings of a given list of strings, the ‘set’ and ‘list’ attributes are used.ExampleBelow is a demonstration of the samemy_list_1 = ["Hi", "there", "how", "are", "you"] my_list_2 = ["Hi", "there", "how", "have", "you", 'been'] print("The first list is :") ... Read More

Python Pandas – Can we use & Operator to find common columns between two DataFrames?

AmitDiwan

AmitDiwan

Updated on 21-Sep-2021 08:23:20

266 Views

Yes, we can use the & operator to find the common columns between two DataFrames. At first, let us create two DataFrames −# creating dataframe1 dataFrame1 = pd.DataFrame({"Car": ['BMW', 'Lexus', 'Tesla', 'Mustang', 'Mercedes', 'Jaguar'], "Cubic_Capacity": [2000, 1800, 1500, 2500, 2200, 3000], }) print("Dataframe1...", dataFrame1) # creating dataframe2 dataFrame2 ... Read More

Python program to print sorted number formed by merging all elements in array

AmitDiwan

AmitDiwan

Updated on 21-Sep-2021 08:22:06

218 Views

When it is required to print the sorted numbers that are formed by merging the elements of an array, a method can be defined that first sorts the number and converts the number to an integer. Another method maps this list to a string, and is sorted again.ExampleBelow is a ... Read More

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