Original Dataset import pandas as pd import numpy as np # Step 1: Create a sample dataset data = { "A": [1, 2, np.nan, 4, 5], "B": [np.nan, 2, 3, np.nan, 5], "C": ["cat", "dog", np.nan, "cat", "dog"], "D": [10, 20, 30, 40, np.nan] } ...
Introduction Data cleaning is one of the most crucial aspects of the Machine learning lifecycle. It involves fixing erroneous, corrupted, duplicate, or incomplete data. It has been said that data scientists spend about 50%- 70% of their total project...
Dealing with missing values in a dataset is an important step in data preprocessing. Incomplete data can cause biased results and inaccurate predictions. Here are some strategies to handle missing data effectively: 1. Deletion Methods Listwise Deleti...
In the domain of Data Mining, it is quite important to handle the missing values and outliers in a dataset since it would immensely affect the data analysis and the business decisions if not properly taken care of. Although it seems negligible for be...
Introduction: Missing values, often referred to as "missing data," are a prevalent challenge in data analysis. They can arise from various reasons, such as data collection errors, human error during data entry, or incomplete information inherently pr...
Introduction : My experience I hope you are doing great, in the previous blog we discussed about what are missing values, how to identify them, what harm do they do if we keep them as it is and also we discussed approaches to deal with missing values...
Hide and Seek with data? Let's assume we have a dataset of consumer data from an online retailer. The dataset contains several different parameters, including age, gender, location, and past purchases. An observation is made that some entries lack in...
Missing Data, Missing Insights: Effective Techniques for Handling Null Data in Data Analysis Missing or null data is a common problem in data analysis. It can occur due to a variety of reasons such as data entry errors, faulty sensors, or simply beca...
Detecting missing values When you have no data, the empty database field contains the word NULL Because NULL is not a number, it is not possible to use = , < or > to find or compare missing values. To determine if a column contains a NULL value ,...
