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Showing results 1 to 17 of 17
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Search: Posts Made By: actuary121110
Forum: Exam PA: Predictive Analytics 12-10-2019, 10:53 AM
Replies: 15
Views: 877
Posted By actuary121110
y ~ a*b becomes y = beta_0 + beta_1 * a + beta_2...

y ~ a*b becomes y = beta_0 + beta_1 * a + beta_2 * b + beta_3 * a * b
y ~ a:b becomes y = beta_0 + beta_1 * a * b
y ~ a + b + a*b becomes y = beta_0 + beta_1 * a + beta_2 * b + beta_3 * a * b
y ~...
Forum: Exam PA: Predictive Analytics 12-09-2019, 11:03 PM
Replies: 663
Views: 131,041
Posted By actuary121110
I am using only the modules.

I am using only the modules.
Forum: Exam PA: Predictive Analytics 12-09-2019, 07:57 PM
Replies: 6
Views: 659
Posted By actuary121110
If mean approximately equals to variance, use...

If mean approximately equals to variance, use Poisson.
If mean is less than variance (overdispersion), use quasi-poisson or negative binomial.
Forum: Exam PA: Predictive Analytics 12-09-2019, 03:49 AM
Replies: 267
Views: 28,756
Posted By actuary121110
I'm quite sure that we won't be ask that kind of...

I'm quite sure that we won't be ask that kind of questions, even if they do ask that, the answer can be very high level.

If you are interested, you can read more on this here...
Forum: Exam PA: Predictive Analytics 12-09-2019, 03:45 AM
Replies: 4
Views: 430
Posted By actuary121110
quasi-Poisson and quasi-binomial are...

quasi-Poisson and quasi-binomial are generalization of Poisson and Binomial, respectively. The explanation below is for binomial but it's the same for Poisson.

pdf of quasi-binomial: nCk * p * (p...
Forum: Exam PA: Predictive Analytics 12-09-2019, 01:21 AM
Replies: 267
Views: 28,756
Posted By actuary121110
The non-convergence issue has nothing to do with...

The non-convergence issue has nothing to do with the wiki article you linked there. Our non-convergence issue happens when we are solving an optimization problem, the values that we are changing is...
Forum: Exam PA: Predictive Analytics 12-08-2019, 11:04 PM
Replies: 663
Views: 131,041
Posted By actuary121110
My biggest problem right now is that for the two...

My biggest problem right now is that for the two practice exam in the new format, I tend to spend almost 1hr in the first task...

For the Hospital Readmission exam, I wasn't sure how much we have...
Forum: Exam PA: Predictive Analytics 12-08-2019, 09:32 PM
Replies: 663
Views: 131,041
Posted By actuary121110
Do we actually get to know our score on each task...

Do we actually get to know our score on each task for this exam?
Forum: Exam PA: Predictive Analytics 12-07-2019, 11:26 PM
Replies: 7
Views: 827
Posted By actuary121110
The only easy ones are 1. identity - the...

The only easy ones are
1. identity - the coefficient is the average change in predicted y for 1 unit increase in x
2. logit - exp(coefficient) is the average change in odds of y for 1 unit increase...
Forum: Exam PA: Predictive Analytics 11-23-2019, 12:35 AM
Replies: 663
Views: 131,041
Posted By actuary121110
You can do feature selection and then...

You can do feature selection and then regularization.

Feature selection answers the question: Which feature(s) to use?
Regularization answers the question: How much of each feature(s) to use?
...
Forum: Exam PA: Predictive Analytics 11-18-2019, 12:20 PM
Replies: 663
Views: 131,041
Posted By actuary121110
List of Code Snippets

Not sure if this helps, but I compiled a list of code snippets that might come in handy for this exam.
Forum: Quantitative Finance and Investment (QFI) track 11-12-2019, 07:21 AM
Replies: 2
Views: 813
Posted By actuary121110
Experience with PAK Study Manual?

Hi, I would like to seek some advice on the study manual to use for QFI QF and QFI PM. I see that many are using TIA for these exams but due to:
1. my company doesn't pay for my study material
2....
Forum: Exam PA: Predictive Analytics 11-09-2019, 03:45 AM
Replies: 1
Views: 395
Posted By actuary121110
Anyone interest to form a study group?

Hi all, I am taking exam PA in Dec 2019 and would like to have a study group for this exam. Due to the limited sample exams and past exams, and the recent change in format, I am thinking that we can...
Forum: Quantitative Finance and Investment (QFI) track 09-23-2019, 07:23 AM
Replies: 19
Views: 4,791
Posted By actuary121110
Hi, anyone still working on this module? Iím...

Hi, anyone still working on this module? Iím starting the last section Case Studies soon and would like to join a study group if possible.
Forum: Modules 6-8 08-03-2019, 02:38 AM
Replies: 8
Views: 1,453
Posted By actuary121110
Whoever who wants to work together pls PM me your...

Whoever who wants to work together pls PM me your number and I'll add you in a whatsapp group
Forum: Modules 6-8 07-31-2019, 02:18 AM
Replies: 8
Views: 1,453
Posted By actuary121110
Can we form a group for discussion? Preferably on...

Can we form a group for discussion? Preferably on some IM app (whatsapp,etc) as personally I think google group is kind of slow and hard to keep track

Edit: I’m in GMT+8 and won’t be up the same...
Forum: Modules 6-8 07-21-2019, 04:01 AM
Replies: 8
Views: 1,453
Posted By actuary121110
FA Study Group 8/2-8/6

Anyone planning to take FA in the first weekend of August? I'm looking to form/join a study group to discuss and prepare for FA before the clock starts.
Showing results 1 to 17 of 17

 

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