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Search: Posts Made By: LilSam88
Forum: Exam PA: Predictive Analytics 12-05-2019, 05:57 PM
Replies: 304
Views: 55,404
Posted By LilSam88
Can someone explain how interaction works? I...

Can someone explain how interaction works?

I see in rmd file 6.4 that you write var1*var2 in the formula and then you get var1, var2 and var1:var2 as coefficients in the summary. I don't...
Forum: Exam PA: Predictive Analytics 12-03-2019, 08:51 PM
Replies: 304
Views: 55,404
Posted By LilSam88
Could the exam have 2 target variables to model...

Could the exam have 2 target variables to model like in the sample project with the modules or was it only to cover the most possible content while studying? I haven't check yet the 2 practice exams...
Forum: Exam PA: Predictive Analytics 12-01-2019, 08:07 PM
Replies: 304
Views: 55,404
Posted By LilSam88
Will the exam explicitly tell us to use PCA...

Will the exam explicitly tell us to use PCA and/or K-means to add features or will we need to decide to do it or not?
Forum: Exam PA: Predictive Analytics 11-30-2019, 08:02 PM
Replies: 304
Views: 55,404
Posted By LilSam88
For those in Canada who take the bilingual exam,...

For those in Canada who take the bilingual exam, what I understand is that we will be able to view the statement in French, but can we write our report in French too? I don't find any information...
Forum: Exam PA: Predictive Analytics 11-27-2019, 10:17 AM
Replies: 304
Views: 55,404
Posted By LilSam88
What is the role of Gamma and min_child_weight in...

What is the role of Gamma and min_child_weight in the train function with the xgbTree method? I don't find any ressource on R and the modules don't explain in details.
Forum: Exam PA: Predictive Analytics 11-26-2019, 08:37 AM
Replies: 304
Views: 55,404
Posted By LilSam88
Exactly! Step by step and I get the same error on...

Exactly! Step by step and I get the same error on the last line.
Forum: Exam PA: Predictive Analytics 11-25-2019, 07:44 PM
Replies: 304
Views: 55,404
Posted By LilSam88
I get the same warning in chunk #24... I didn't...

I get the same warning in chunk #24... I didn't even modify the either code, so I don't understand why is this happening.
Forum: Exam PA: Predictive Analytics 11-25-2019, 07:43 PM
Replies: 304
Views: 55,404
Posted By LilSam88
#CHUNK 16 model.rf.tuned <- train(target ~., ...

#CHUNK 16
model.rf.tuned <- train(target ~.,
data = data.training,
method = "rf", # This is so we use the randomForest algorithm.
...
Forum: Exam PA: Predictive Analytics 11-25-2019, 10:43 AM
Replies: 304
Views: 55,404
Posted By LilSam88
Why is this chunk from section 7.3 not working? ...

Why is this chunk from section 7.3 not working?

#CHUNK 20
library(pdp)

partial(model.rf.tuned, train = data.training, pred.var = "issage", plot = TRUE, rug = TRUE, smooth = TRUE)

It tells...
Forum: Exam PA: Predictive Analytics 11-22-2019, 08:26 PM
Replies: 304
Views: 55,404
Posted By LilSam88
What I understood in the Hyperparameter Tunning...

What I understood in the Hyperparameter Tunning section of Module 6 is that you use drop1() or stepAIC() to eliminate some features of your model and then, from this model, you tune your parameters...
Forum: Exam PA: Predictive Analytics 11-21-2019, 07:46 PM
Replies: 304
Views: 55,404
Posted By LilSam88
Thanks. Why don't they tell us what it is if they...

Thanks. Why don't they tell us what it is if they tell about this method lol?
Forum: Exam PA: Predictive Analytics 11-21-2019, 06:01 PM
Replies: 304
Views: 55,404
Posted By LilSam88
Is there any function in the available packages...

Is there any function in the available packages for the exam where we can use Forward or Backward selection? The slides tell to read ISLR which explain how it works, but the function they use is from...
Forum: Exam PA: Predictive Analytics 11-20-2019, 10:44 AM
Replies: 304
Views: 55,404
Posted By LilSam88
What did you guys get in slide 80 of Module 6? It...

What did you guys get in slide 80 of Module 6? It is the exercise 6.5.2 and I don't know what to do with the glm.sev. It seems like only the CAR_TYPE is a little significant.
Forum: Exam PA: Predictive Analytics 11-19-2019, 01:57 PM
Replies: 304
Views: 55,404
Posted By LilSam88
First, I have deleted cookies for the...

First, I have deleted cookies for the learning.soa site (don't remember the exact name) but it didn't change anything. Then I have enable Flash for the site and then it worked. I don't know if it was...
Forum: Exam PA: Predictive Analytics 11-19-2019, 12:29 AM
Replies: 304
Views: 55,404
Posted By LilSam88
Am I the only one who can't open the modules...

Am I the only one who can't open the modules since the maintenance of today?
Forum: Exam PA: Predictive Analytics 11-07-2019, 05:50 PM
Replies: 304
Views: 55,404
Posted By LilSam88
When I want to install the frozen version on Mac,...

When I want to install the frozen version on Mac, I downloaded the checkp5 file, I unzipped it and installed the package as written in the module. My problem is when I follow the instructions to...
Forum: Long-Term Actuarial Math 10-30-2019, 03:22 PM
Replies: 309
Views: 72,218
Posted By LilSam88
We are in the same boat. I hope the pass score...

We are in the same boat. I hope the pass score will be lower.
Forum: Exam PA: Predictive Analytics 10-28-2019, 10:43 PM
Replies: 304
Views: 55,404
Posted By LilSam88
I learned R and predictive modelling in my degree...

I learned R and predictive modelling in my degree (2014-2017). So this is material I already know, but I don't remember very well. I guess it will be kind of a refresher.
Forum: Exam PA: Predictive Analytics 10-28-2019, 08:30 PM
Replies: 304
Views: 55,404
Posted By LilSam88
I wrote LTAM last Friday too. My plan is to go...

I wrote LTAM last Friday too. My plan is to go through the modules. I won't buy Actex. I will start next week to study.
Forum: Exam PA: Predictive Analytics 10-28-2019, 08:22 PM
Replies: 304
Views: 55,404
Posted By LilSam88
Thanks! It looks like the 4 textbooks mentionned...

Thanks! It looks like the 4 textbooks mentionned in the syllabus are not all free. Am I right?
Forum: Exam PA: Predictive Analytics 10-28-2019, 05:53 PM
Replies: 304
Views: 55,404
Posted By LilSam88
For those who already started, did the modules...

For those who already started, did the modules refer to the textbooks directly or are the textbooks only apart?
Forum: Long-Term Actuarial Math 10-25-2019, 10:35 PM
Replies: 309
Views: 72,218
Posted By LilSam88
Why? I think it's enough to pass this sitting,...

Why? I think it's enough to pass this sitting, no?

That was my first attempt and I wish my last too.
Forum: Long-Term Actuarial Math 10-25-2019, 07:06 PM
Replies: 309
Views: 72,218
Posted By LilSam88
I guessed 2 MC questions and left blank or almost...

I guessed 2 MC questions and left blank or almost blank 17-20 pts in WA questions. I'm pretty confidant about the points I have written. I think this sitting was harder than the Fall 2018. There were...
Forum: Long-Term Actuarial Math 10-24-2019, 07:32 PM
Replies: 309
Views: 72,218
Posted By LilSam88
Finally I haven't tried it today. I was too...

Finally I haven't tried it today. I was too exhausted. I only did review the material.
Forum: Long-Term Actuarial Math 10-23-2019, 10:07 PM
Replies: 309
Views: 72,218
Posted By LilSam88
Have you finally tried the Spring 2019? I will do...

Have you finally tried the Spring 2019? I will do it tomorrow. If you tried it, how was it, compared to Fall 2018?
Showing results 1 to 25 of 84

 

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