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coms20011_2020's Introduction

COMS20011_2020

Data-driven Computer Science UoB

Staff

Teaching Assistants

Holly Milllea | Amirhossein Dadashzadeh | Faegheh Sardari | Jonathan Munro | Vangelis Kazakos | Zhaozhen Xu

Structure

Lecture videos for a week will be released on Monday and posted here. Please take a look at them promptly!

The coursework will be 40% of the mark and the exam will be 60% (deadlines TBA).

TA led sessions on Thursday 3-5 are the main route for feedback on all aspects of the course: lectures, labs and coursework. These will start on 11th Feb, and you will be assigned a group by email before then. They will be hosted through the public Teams group [grp-COMS20011_2020] (if the link doesn't work, just search for "grp-COMS20011_2020").

There are lecturer-led Q&A sessions on Mondays at 4pm. The first of these (Feb 1st) will be TA led, to help getting IT set up for labs.

There will be "lab" exercises released in the "lab" folder. Please do them promptly and bring any questions to the TA-led sessions: the coursework is heavily based on the labs!

Mathematical background material

Important: these are not pre-requisites! Please don't try to look at all of the material! They're intended as supplements to the first-year maths courses to help clear up specific issues with the derivations in the course. Feel free to raise an issue/pull-request if you have recommendations for other resources.

Probability and statistics

Calculus:

Linear Algebra:

All of the above

Weekly lecture material

Week 13: 01/02/2021 (Majid)

Lecture Duration video slides
MM01. Intro to COMS20111 - very fishy 14:44 [Stream link] [pdf]
MM02. Intro - Part 2 - example projects 12:19 [Stream link] [pdf]
MM03. Data Acquisition - Sampling - Acquisition 10:38 [Stream link] [pdf]
MM04. Data Characteristics - Distance Measures 15:55 [Stream link] [pdf]
MM05. Data Characteristics - Covariance - Eigen Analysis - Outliers 20:50 [Stream link] [pdf]
Problem Sheet Updated - New Q 12/02/21 - Self/Group study [pdf]
Problem Sheet Updated - New Q/A 12/02/21 - Answers [pdf]
Q&A Session 60:00 [Stream link] -

(Week 14): 08/02/2021 (Laurence)

Lecture video slides
1. Maximum likelihood for a coin [Stream link] [notebook 1]
2. Bayes for a coin [Stream link] [notebook 1]
3. Intro to supervised learning [Stream link] [notebook 2]
4. Linear regression derivation [Stream link] [notebook 2]
Problem Sheet W14 [pdf]
Problem Sheet W14 Solution Explanation [pdf]
Q&A Session [Stream link] -

(Week 15): 14/02/2021 (Laurence)

Lecture video slides
1. Linear regression examples [Stream link] [notebook 2]
2. Overfitting [Stream link] [notebook 3]
3. Cross-validation [Stream link] [notebook 3]
4. Regularisation [Stream link] [notebook 3]
Problem Sheet W15 [notebook]
Problem Sheet W15 Solution Explanation [pdf]
Q&A Session [Stream link] -

(Week 16): 14/02/2021 (Laurence)

Lecture video slides
1. Logits parameterisation [Stream link] [notebook 4]
2. Gradient descent + overfitting [Stream link] [notebook 4]
3. KNN/WNN and nearest centroids [Stream link] [notebook 4]
4. Bayesian classification [Stream link] [notebook 4]
Problem Sheet W16 [notebook]
Q&A Session [Stream link] -

(Week 18): 8/03/2021 (Laurence)

Lecture video slides
1. Clustering vs classification [Stream link] [notebook 5]
2. K-means clustering [Stream link] [notebook 5]
3. EM for Gaussian mixture models [Stream link] [notebook 5]
4. Objective for EM [Non-examinable] [Stream link] [notebook 5]
Problem Sheet W18 [notebook]
Q&A Session (lots about CW!) [Stream link] -

Notebook pdfs

I have printed the Notebooks as pdfs. Note that this really doesn't work well, as many of the interactive plots can't be printed.

Notebook
[notebook 1]
[notebook 2]
[notebook 3]
[notebook 4]

Week 19: 15/03/2021 (Majid)

Lecture Duration video slides
MM06. Signals & Frequencies 13:26 [Stream link] [pdf]
MM07. Fourier Series 10:28 [Stream link] [pdf]
MM08. 1D Fourier Transform 17:18 [Stream link] [pdf]
Problem Sheet MM02 - Self/Group study [pdf]
Problem Sheet MM02 - Answers [sines.py] [pdf]
Q&A Session 58:33 [Stream link] -

Week 20: 22/03/2021 (Majid)

Lecture Duration video slides
MM09. 2D Fourier Transform 14:45 [Stream link] [pdf]
MM10. Frequency Features 19:16 [Stream link] [pdf]
Problem Sheet MM03 - Self/Group study [pdf]
Problem Sheet MM03 - Answers [pdf]
Q&A Session - [[Stream link]] After Easter Break

Week 21: 19/04/2021 (Majid)

Week 21: The videos and problem sheet are added now in case it's helpful to have more time on this final material for Week 21.

Lecture Duration video slides
MM11. More on Features 20:53 [Stream link] [pdf]
MM12. Convolutions 20:02 [Stream link] [pdf]
Optional Playthings *** [sobel.py] [FFT.py]
Problem Sheet MM04 - Self/Group study [pdf]
Problem Sheet MM04 - Answers [pdf]
Q&A Session - [[Stream link]] After Easter Break

*** The image gif files for the Optional Playthings are in the ProblemSheets folder (see above). Equivalent Matlab code can be copy-pasted from lecture PDF.

coms20011_2020's People

Contributors

laurencea avatar majidmirmehdi avatar jonmun avatar carinaxzz avatar hollymillea avatar

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