Data Science Decoded

Currently writing about learning mathematics for machine learning via math academy | Senior data scientist with 5+ years of experience

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 48/50 XP
• Scored 17/17 Xp on the column space of a matrix lesson
• Scored 13/10 XP on finding a basis of a span lesson
• Scored 4/4 XP on review of logical equivalence with conditional statements
• Scored 6/4 XP on review on type I and type II regions
• Scored 2/4 XP on describing planar regions using Set-Builder notation
• Scored 0/4 XP on properties of variance for discrete random variables
• Scored 6/8 XP on lesson on the null space of a matrix

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 35/50 XP
• Scored 5/5 XP on review on differentiating an inverse function at a point 5/5 XP
• Scored 7/7 XP on lesson on subspaces of N-Dimensional Space: Geometric Interpretation
• Scored 7/7 XP on lesson on Truth Sets of Predicates
• Scored 0/4 XP on review on type I and type II regions in 2 dimensional space
• Scored 4/4 XP on review on disjoint sets
• Scored 4/4 XP on review of describing planar regions using set builder notation
• Scored 4/4 XP on review of equations of ellipses centered at a general point
• Scored 4/4 XP on review of interior and boundary points

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 28/50 XP
• Scored 9/7 XP on lesson on type 1 and type 2 regions in 2 dimensional space
• Scored 6/7 XP on lesson on disjoint sets
• Scored 4/4 XP on review on combining graph transformations of tangent and cotangent
• Scored 9/7 XP on lesson expected values of sums and products of random variables

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 52/50 XP
• Scored 10/8 XP on lesson on interior and boundary points
•Scored 6/4 XP on review on conditional statements
• Scored 15/15 XP on Quiz 6
• Scored 7/5 XP on review on the Cartesian equation of a plane
• Scored 6/4 XP on review on conditional expectation for discrete random variables
• Scored 8/9 XP on lesson on quadratic forms

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 25/50 XP
• Scored 11/11 XP on Subspaces of N-Dimensional space
• Scored 6/4 XP on review of logical equivalence
• Scored 2/4 XP on review of describing sets using set builder notation
• Scored 6/4 XP on review of modelling with discrete uniform distributions

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 51/50 XP
• Scored 7/7 XP on lesson describing planar regions using set builder notation
• Scored 0/4 XP on review on biconditional statements
• Scored 7/5 XP on The Cauchy-Schwartz Inequality and the angle between 2 vectors
• Scored 6/4 XP on the absorption laws
• Scored 6/4 XP on Boolean functions and logical operations
• Scored 9/9 XP on probability density functions of continuous random variables
• Scored 6/4 XP on De Morgan’s Laws for Logic
• Scored 6/4 XP on The domain of a vector valued function
• Scored 4/4 XP on logical equivalence with conditional statements

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 48/50 XP
• Scored 11/9 XP on lesson on bilinear forms
• Scored 9/7 XP on lesson on modelling with discrete uniform distributions
• Scored 5/5 XP on review of intersection of two planes
• Scored 8/8 XP on lesson on Boolean functions and logical operations
• Scored 11/11 XP on lesson on the area bounded by a curve and the x-axis
• Scored 4/4 XP on review on the Cartesian equation of a line

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 52/50 XP
• Scored 10/8 XP on lesson on conditional expectation of discrete random variables
• Scored 4/4 XP on review on the distributive laws
• Scored 7/5 XP on review of linear span of vectors in n dimensional Euclidean space
• Scored 4/4 XP on review of the “not” connective
• Scored 14/14 XP on Quiz 5
• Scored 4/4 XP on review of linear dependence and independence
• Scored 9/7 XP on lesson on variance of sums of independent random variables

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 47/50 XP
• Scored 6/4 XP on review on logical equivalence
• Scored 4/4 XP on review of linear dependence and independence
• Scored 15/12 XP on lesson on bi-conditional statements
• Scored 6/4 XP on review on solving exponential equations with different bases
• Scored 6/4 XP on review of the parametric equations of a plane
• Scored 4/4 XP on review of Gaussian elimination for NxM systems of equations
• Scored 6/4 XP on review of further properties of determinants

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 48/50 XP
• Scored 2/4 XP on review on describing sets using set builder notation
• Scored 2/4 XP on review of logical equivalence with conditional statements
• Scored 6/4 XP on review of the invertible matrix theorem in terms of 2x2 systems of equations
• Scored 13/10 XP on lesson on independence of discrete random variables
• Scored 2/4 XP on review of visualising Cartesian products
• Scored 0/5 XP on review of the rational roots theorem
• Scored 5/5 XP on review of the inverse of an affine transformation

• Scored 4/4 XP on review of indicator functions for predicates
• Scored 10/11 XP on lesson on conditional distributions for discrete random variables
• Scored 4/4 XP on review of conditional statements

[Data Science Decoded @DSDecoded]

An observation I’ve had about doing math academy is that its better to do a less amount per day if you can’t manage your daily target rather than trying to do double the next day

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 47/50 XP
• Scored 15/15 XP on Quiz 4
• Scored 7/5 XP on review lesson on angle between 2 vectors
• Scored 6/4 XP on review lesson on the image of an affine transformation
• Scored 13/15 XP on lesson on the intersection of two planes

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 48/50 XP
• Scored 9/9 XP on lesson on logical equivalence with conditional statements
• Scored 4/4 XP on review of hadamard product
• Scored 9/7 XP on lesson marginal distributions for discrete random variables
• Scored 3/5 XP on review of supremum and infimum
• Scored 23/18 XP on lesson on the Cartesian equation of a plane

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 26/50 XP
• Only got 2 lessons today as I found visualising Cartesian products pretty challenging
• Scored 11/12 XP on visualising Cartesian products
• Scored 15/12 XP on differentiating parametric curves

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 52/50 XP
• Scored 19/15 XP on lesson the vector equation of a plane
• Scored 9/7 XP on lesson the absorption laws
• Scored 7/7 XP on joint distributions for discrete random variables
• Scored 2/4 XP on review on conditional statements
• Scored 9/7 XP on lesson on the discrete uniform distribution
• Scored 6/4 XP on review on de Morgan’s laws for logic

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 60/50 XP
• Scored 7/7 XP on the Cartesian product
• Scored 9/7 XP on the logical associative and commutative laws
• Scored 9/15 XP on Quiz 3
• Scored 6/4 XP on review of orthogonal vectors in Euclidean spaces
• Scored 5/5 XP on review of linear span of vectors in N-Dimensional Euclidean space
• Scored 6/4 XP on review of domain of vector valued function
• Scored 18/15 XP on Quiz 3 Re-take

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 31/50 XP
• Scored 9/7 XP on lesson on the distributive laws
• Scored 10/11 XP on lesson on infinite sets
• Scored -4/4 XP on review lesson on hadamard product
• Scored 2/4 XP on review on the parametric equations of a plane
• Scored 2/4 XP on review on defining abstract vector spaces
• Scored 6/6 XP on calculating the limits of radical functions using conjugate multiplication
• Scored 6/4 XP on describing sets using set builder notation

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 48/50 XP
• Scored 2/4 XP on review on hyperbolic functions
• Scored 0/4 XP on review of describing sets using set-builder notation
• Scored 8/6 XP on review of using differentiation to calculate critical points
• Scored 18/14 XP on lesson of properties of definite integrals involving the limits of integration
• Scored 4/4 XP on review of logical equivalence
• Scored 6/4 XP on review of continuity of functions
• Scored 6/4 XP on review of the “not” connective
• Scored 4/4 XP on review of cardinality of finite sets

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 30/50 XP
• Scored 4/4 XP on review on Boolean functions
• Scored 0/4 XP on review on sum of squares
• Scored 2/4 XP on review on linear dependence and independence
• Scored 4/4 XP on review parametric equations of a line
• Scored 9/7 XP on lesson on De Morgan’s laws for logic
• Scored 9/7 XP on lesson on conditional statements
• Scored 2/4 XP on review on matrices with easy to find inverses

[Data Science Decoded @DSDecoded]

Daily Math Academy

Working towards mathematics for machine learning

• Achieved 45/50 XP
• This is back on track and more like it although still powering through a lot of review lessons rather than new material
• Scored 12/15 XP on Quiz 2
• Scored 4/4 XP on review lesson on image of an affine transformation
• Scored 6/4 XP on review on Gaussian elimination for NxM systems of equations - its the labelling of the matrix that is hindering me here (e.g consistent dependent)
• Scored 4/4 XP on review lesson on identifying pivot columns of a matrix
• Scored 13/13 XP on lesson on logical equivalence
• Scored 6/4 XP on review lesson on conditions when a determinant is zero