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Mathematics for Data Science

obtain all the neccesary math knowledge required for data science

Course Description

Ermin presents the material through an interactive whiteboard presentation.

The course starts with Linear Algebra. 

We start with a definition of what a linear equation is, look at forms of a linear equation, define systems of linear equations, consider notation, and how to solve systems of equations via Row Echelon Form (REF) and Reduced Row Echelon Form (R-REF), and perform matrix-vector multiplication. Then, we explore the concept of mathematical structures to better understand the idea of a vector space, before dealing with concepts like subspaces, bases for vector spaces, dimensions of a vector space/subspace, linear maps, orthogonal projection, and how that is related to least-squares approximation.

The next section is an intro to probability. You will first explore the idea of probability models and axioms, simple counting, before considering discrete cases of marginal probability, conditional probability, and Bayesian probability. You will also discover the concept of independence and permutations and combinations. Next, the idea of a random variable is illustrated, along with the probability mass and density function, cumulative distribution function, covariance/correlation, the law of large numbers, and central limit theorem. In the final part, you will discover statistical inference. You will see how the Bayesian Estimator works.





Goals

  • Define and Solve a System of Linear Equations
  • Describe the concept of a Vector Space and Subspace
  • Discuss the concepts of linear combinations, span, and basis confidently.
  • Identify the idea of a Probability Model and its Axioms
  • Indicate the purpose of a random variable
  • Compare and contrast a Probability Mass Function and Probability Density Function
  • Compute a Joint PDF
  • Recall what the Law of Large Numbers and Central Limit Theorem tell us
  • Estimate error via Bayesian Estimator

Prerequisites

  • No prerequisites. This course is geared towards beginners.
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Curriculum

  • Linear Equation Definition
    04:51
    Preview
  • Forms of a Linear Equation
    03:40
    Preview
  • Systems of Linear Equations
    02:56
  • Line and Plane
    02:54
  • Aij Notation
    05:27
  • System of Equations as a Matrix
    04:50
  • System in Corresponding Forms
    07:40
  • Row Echelon Form (Gaussian Elimination)
    06:43
  • Reduced Row Echelon Form
    04:21
  • Row Operations Example (REF)
    09:07
  • Row Operations Rules
    05:41
  • Visualizing Ax=b
    03:23
  • General Formula - Matrix Vector Multiplication
    09:15
  • Tips for Row Operations
    06:47
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Mathematics for Data Science
This Course Includes
  • 5 hours
  • 55 Lectures
  • Completion Certificate Sample Certificate
  • Lifetime Access Yes
  • Language English
  • 30-Days Money Back Guarantee

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