Introduction to Principal Component Analysis (PCA) and implementation in R and Python
Principal Component Analysis (PCA) is a statistical technique used for dimensionality reduction, which simplifies the complexity in high-dimensional data while…
Bayes theorem in finance of a magical forest
Here, we denote by the event NOT . Example 1: Magical Investment Returns In the magical forest, gnomes invest in…
Conditional probability for medical testing in a forest
Here, we denote by the event NOT . Example 1: Squirrel Flu Testing In a forest, a group of squirrels…
Tricks for remembering formulas & properties of multivariate normal distribution
Understanding the relationship between univariate and multivariate normal distributions can provide a clearer framework for remembering the definition and properties…
Tricks for remembering integral rules
Understanding the relationship between derivatives and antiderivatives can significantly help in remembering and applying the rules for finding antiderivatives (also…
Mutually exclusive events
Mutually exclusive events are events that cannot occur at the same time. In other words, the occurrence of one event…
Permutation
A permutation refers to the arrangement of objects in a specific order. The order of arrangement is important in permutation.…
Examples of Exponential distribution
The exponential distribution is commonly used to model the time between events in a Poisson process. It is defined by…
Finding the derivative of a composite function with chain rule
The chain rule is a fundamental technique in calculus for finding the derivative of a composite function. Here are some…