# Day: April 4, 2021

## Pandas Example – Write a Pandas program to create a TimeSeries to display all the Sundays of given year.

Hits: 10 (Python Example for Beginners)   Write a Pandas program to create a TimeSeries to display all the Sundays of given year.   Sample Solution : Python Code : import pandas as pd result = pd.Series(pd.date_range(‘2020-01-01′, periods=52, freq=’W-SUN’)) print(“All Sundays of 2019:”) print(result) Sample Output: All Sundays of 2019: 0 2020-01-05 1 2020-01-12 2 2020-01-19 …

## Pandas Example – Write a Pandas program to compute the Euclidean distance between two given series

Hits: 6 (Python Example for Beginners)   Write a Pandas program to compute the Euclidean distance between two given series.   Euclidean distance From Wikipedia, In mathematics, the Euclidean distance or Euclidean metric is the “ordinary” straight-line distance between two points in Euclidean space. With this distance, Euclidean space becomes a metric space. The associated norm …

## Pandas Example – Write a Pandas program to filter words from a given series that contain atleast two vowels

Hits: 3 (Python Example for Beginners)   Write a Pandas program to filter words from a given series that contain atleast two vowels.   Sample Solution : Python Code : import pandas as pd from collections import Counter color_series = pd.Series([‘Red’, ‘Green’, ‘Orange’, ‘Pink’, ‘Yellow’, ‘White’]) print(“Original Series:”) print(color_series) print(“nFiltered words:”) result = mask = color_series.map(lambda …

## Pandas Example – Write a Pandas program to convert a series of date strings to a timeseries.

Hits: 3 (Python Example for Beginners)   Write a Pandas program to convert a series of date strings to a timeseries.   Sample Solution : Python Code : import pandas as pd date_series = pd.Series([’01 Jan 2015′, ’10-02-2016′, ‘20180307’, ‘2014/05/06’, ‘2016-04-12’, ‘2019-04-06T11:20’]) print(“Original Series:”) print(date_series) print(“nSeries of date strings to a timeseries:”) print(pd.to_datetime(date_series)) Sample Output: Original …

## Pandas Example – Write a Pandas program to compute difference of differences between consecutive numbers of a given series

Hits: 8 (Python Example for Beginners)   Write a Pandas program to compute difference of differences between consecutive numbers of a given series.   Sample Solution : Python Code : import pandas as pd series1 = pd.Series([1, 3, 5, 8, 10, 11, 15]) print(“Original Series:”) print(series1) print(“nDifference of differences between consecutive numbers of the said series:”) …

## Pandas Example – Write a Pandas program to calculate the number of characters in each word in a given series

Hits: 23 (Python Example for Beginners)   Write a Pandas program to calculate the number of characters in each word in a given series.   Sample Solution : Python Code : import pandas as pd series1 = pd.Series([‘Php’, ‘Python’, ‘Java’, ‘C#’]) print(“Original Series:”) print(series1) result = series1.map(lambda x: len(x)) print(“nNumber of characters in each word in …

## Pandas Example – Write a Pandas program to calculate the frequency counts of each unique value of a given series

Hits: 1 (Python Example for Beginners)   Write a Pandas program to calculate the frequency counts of each unique value of a given series.   Sample Solution : Python Code : import pandas as pd import numpy as np num_series = pd.Series(np.take(list(‘0123456789’), np.random.randint(10, size=40))) print(“Original Series:”) print(num_series) print(“Frequency of each unique value of the said series.”) …