Data Science

How to Add Rows to DataFrames in R Using dplyr: Examples

Data manipulation is a fundamental aspect of data analysis, and R, with its dplyr package, offers an efficient and readable…

1 year ago

Two samples Z-test for Means: Formula & Examples

Last updated: 21st Nov, 2023 Statistical hypothesis testing is an essential tool in inferential statistics that enables researchers to make…

1 year ago

Histogram Plots using Matplotlib & Pandas: Python

Last updated: 16th Nov, 2023 Histograms are a graphical representation of the distribution of data. In Python, there are several…

1 year ago

Confusion Matrix Concepts, Python Code Examples

The confusion matrix is an essential tool in the field of machine learning and statistics for evaluating the performance of…

1 year ago

Maximum Likelihood Estimation: Concepts, Examples

Maximum Likelihood Estimation (MLE) is a fundamental statistical method for estimating the parameters of a statistical model that make the…

1 year ago

Wilcoxon Signed Rank Test: Concepts, Examples

How can data scientists accurately analyze data when faced with non-normal distributions or small sample sizes? This is a challenge…

1 year ago

R-squared in Linear Regression Models: Concepts, Examples

In linear regression, R-squared (R2) is a measure of how close the data points are to the fitted line. It…

1 year ago

Hierarchical Clustering: Concepts, Python Example

Hierarchical clustering a type of unsupervised machine learning algorithm that stands out for its unique approach to grouping data points.…

1 year ago

Minimum Description Length (MDL): Formula, Examples

Learning the concepts of Minimum Description Length (MDL) is valuable for several reasons, especially for those involved in statistics, machine…

1 year ago

Linear Regression Datasets: CSV, Excel

Linear regression is a fundamental machine learning algorithm that helps in understanding the relationship between independent and dependent variables. It…

1 year ago