CS2810 Homepage

Math of Data Models

Spring 2022

Schedule & Notes

all google colab python examples

Idx

Day

Date

Topic

HW# (class idx)

(due)[max late]

Class notes

1

Mon

Tue

Jan

17*/18

Data Models Intro

Linearity

Gauss Jordan Elimination

sec1

sec2

sec3

2

Thu

Fri

Jan

20/21

RREF

Vector algebra

Solution space of system

sec1

sec2&3

3

Mon

Tue

Jan

24/25

Singular / homogenous matrix

Vector Geometry:

(length, angle, dot)

HW 1 (1-3)

(Wed Feb 2)[2]

sec1

sec2&3

4

Thu

Fri

Jan

27/28

Is Machine Learning Good?

Linear Perceptron

sec1

sec2&3

sec2&3_ica

5

Mon

Tue

Jan 31

Feb 1

Linear Perceptron

sec1

sec2&3

perceptron

6

Thu

Fri

Feb

3/4

Matrix Multiplication

Matrix Transforms

HW 2 (4-6)

(Sun Feb 13)[1]

sec1

sec2

sec3

7

Mon

Tue

Feb

7/8

Span

Linear Independence

sec1

sec2

sec3

8

Thu

Fri

Feb

10/11

Projections

Line of best fit

Polynomial of best fit

sec1

sec2

sec3

line_best_fit

calc_lin_alg

9

Mon

Tue

Feb

14/15

Inverses

Change of basis

HW 3 (7-9)

(Sun Feb 21)[1]

sec1

sec2

sec3

10

Thu

Fri

Feb

17/18

Quiz 1 (HW 1-2)

Dynamical system (intro)

sec2

sec3

11

Mon

Tue

Feb

21*/22

Eigenvectors

Dynamical system

HW 4 (10-11)

(Sun Feb 27)[2]

sec1_lec_canvas

sec1_lec11.zip

sec2

sec3

12

Thu

Fri

Feb

24/25

Begin Prob & Stats:

Expectation & Variance

Linearity of Expectation

sec1

sec2&3

13

Mon

Tue

Feb 28

Mar 1

Independence

Law of large numbers

Binomial / Poisson Distribution

HW 5 (12-13) (Sun Mar 6)[2]

sec1

python_examples.py

sec2

sec3

law_large_num_demo

prob_stats_calc

14

Thu

Fri

Mar

3/4

Quiz 2 (HW 3-4)

15

Mon

Tue

Mar

7/8

Estimators

Bias

Bessel’s correction

HW 6 (14-15)

(Sun Mar 20)[2]

sec1

sec2

sec3

sec2&3_bessel

16

Thu Fri

Mar

10/11

Mini-Project Day (Line of Best Fit, Perceptron, dynamical system)

sec1

sec1_bessel

sec2&3

mini_proj1 mini_proj1_csv

Break

17

Mon

Tue

Mar

21/22

Normal distribution

Central Limit Theorem

Cumulative Distribution Function

sec1

pdf_cdf_sec1.ipynb

pdf_cdf_sec1.html

sec2

sec3

cdf_sec2&3

central_limit_theorem

18

Thu

Fri

Mar

24/25

Hypothesis testing

P-value

HW 7 (17-19)

(Sun Apr 3)[2]

sec1

sec2

sec3

19

Mon

Tue

Mar

28/29

T-tests

One vs two sided tests

Experimental bias

sec1

sec2

sec3

ttest_example_excel

ttest_example.html

ttest_example.ipynb

20

Thu

Fri

Mar 31

Apr 1

Quiz 3 (HW 5-6)

20**

Mon

Tue

Apr

4/5

Chi square test

Multiple comparison correction

sec1

sec2

sec3

chisquare_example.html

chisquare_example.ipynb

21

Thu

Fri

Apr

7/8

Covariance

Covariance matrix

HW 8 (20-22)

(Sun Apr 17)[2]

sec1 cov_corr_example.html cov_corr_example.ipynb sec2

sec3

22

Mon

Tue

Apr

11/12

Correlation

Independence

Bayes Rule

sec1

sec2

sec3

23

Thu

Fri

Apr

14/15

Bayes Nets 1

sec1

bayes_example

sec2

sec3

24

Mon

Tue

Apr

18*/19

Bayes Nets 2

HW 9 (22-24)

(Weds Apr 27)[2]

sec1

sec2

sec3

joint_ex.csv

25

Thu

Fri

Apr

21/22

Mini-Project Day:

Hypothesis Testing

Bayes Net

sec1

sec2&3

mini_proj2

26

Mon

Tue

Apr

25/26

Finals Review

sec1

sec2

sec3

May 3

“Final”

(Sec2&3)

Quiz 4 (HW 7-9)

Ell Hall AUD (8-10am)

May 4

“Final”

(Sec1)

Quiz 4 (HW 7-9)

Snell Engineering Center 108 (1-3pm)

May 6

“Final”

(sec3 option)

Quiz 4 (HW 7-9)

Mugar Life Science Building 201 (8-10am)

Note that we’ll take quiz-test 4 during the time slot given by the finals schedule.

*denotes asynchronous lectures given to section 1 (university holiday on that day)

** we lost our index sync from lessons 14 to 20 (pdfs are labelled with a different day than this table) we’re repeating index 20 to get back on track without renaming anything to confuse folks. sorry about that!