###### Lab 4: exercise 4.12
COM-308 Labs · 44 · 2 · 27 May '21
Hello, We would have a question about the exercise 4.12 of Lab 4. In the first part of the exercis…
###### Error on collect()
COM-308 Labs · 49 · 4 · 26 May '21
Hello, We are getting the following error when calling collect() on an RDD: `Py4JJavaError: An er…
###### Access right problem with SparkContext
COM-308 Labs · 52 · 3 · 26 May '21
Hi, I am having trouble using PySpark. Indeed, when I try to use the global SparkContext, sc,…
###### Lab 4 - LSI
COM-308 Labs · 80 · 4 · 26 May '21
Hello, We are having some trouble with the "svds" function in the part 2 of lab 4. It seems to u…
###### Exercise 4.5 meaning of question 1
COM-308 Labs · 58 · 2 · 19 May '21
Hello, I don't really understand what it means to "Print the top-10 topics as a combination of 10 …
###### Lecture 12 posted
COM-308 Lectures · 12 · 0 · 17 May '21
Today's lecture is online. Please note that next Monday is a holiday, so the next (and final) le…
###### Lecture 11 posted
COM-308 Lectures · 8 · 0 · 10 May '21
Folks, this week's lecture is out (and should be playable right away). Best regards
###### min RMS and quadratic form expression
COM-308 Lectures · 53 · 1 · 26 Apr '21
Hello, In the lecture 7 (slide 15), I'm stuck with understanding what's the meaning of matrix A an…
###### Lecture 9 online
COM-308 Lectures · 23 · 0 · 26 Apr '21
Lecture 9 is online (video viewable as soon as switchtube processing terminates, should be very soo…
###### Hw4-Ex3
COM-308 Homeworks · 64 · 1 · 22 Apr '21
Hello, I have a question about exercice 3a). Why can we say that the sum of the f_i equal the gl…
###### Lecture 8 posted
COM-308 Lectures · 30 · 3 · 19 Apr '21
Lecture 8 is now available - enjoy!
###### Lecture 5 posted
COM-308 Lectures · 67 · 3 · 19 Apr '21
This week's lecture video and deck are online. Best regards
###### Lecture 7 posted
COM-308 Lectures · 17 · 0 · 12 Apr '21
Dear all, lecture 7 is online.
###### Exercise 2.10
COM-308 Labs · 68 · 1 · 8 Apr '21
Hey ! I was wondering for this part when we are asked to simulate the epidemic multiple times st…
###### Lab 2 : Part 3 - What do the coordinates correspond to ?
COM-308 Labs · 51 · 1 · 4 Apr '21
Hi, In the lab handout for part 3, it is written in the description of the json file : "a tup…
###### Exercise 2.9
COM-308 Labs · 48 · 1 · 3 Apr '21
Hey ! About the question 4, I was wondering if we had to represent the visualization of the graph a…
###### Lecture 6 posted
COM-308 Lectures · 14 · 0 · 29 Mar '21
The video and slides for this week's lecture are online.
###### Proof of the linear system equivalence
COM-308 Lectures · 85 · 4 · 25 Mar '21
Hello, In this proof, if I understand correctly, we are trying to show that x(I - theta H) = a (ev…
###### Using regular Spark on cluster
COM-308 Labs · 51 · 2 · 19 Mar '21
Hello! I was wondering if there's a way to use regular Spark on the cluster as opposed to pyspar…
###### Part 2.2, exercice 2.7 and 2.8 [copy of a discord post]
COM-308 Labs · 99 · 2 · 19 Mar '21
Hello ! I was wondering for part 2.2, exercice 2.7 and 2.8 how to know the size of N ? (for how…