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Search: Posts Made By: windows7forever
Forum: Exam PA: Predictive Analytics 06-12-2019, 07:25 PM
Replies: 45
Views: 3,689
Posted By windows7forever
There are other regularized regressions, such as...

There are other regularized regressions, such as ridge and elastic net. Also if they do not bring up high dimension reduction methods in the modeling tasks, they could ask you to talk about principal...
Forum: Exam PA: Predictive Analytics 06-12-2019, 05:22 PM
Replies: 45
Views: 3,689
Posted By windows7forever
Was that the residual vs. fitted plot you got...

Was that the residual vs. fitted plot you got from plot(glm_model)? There are 4 plots each explain something about the major assumptions on linear modeling except the final plot on influential...
Forum: Exam PA: Predictive Analytics 06-12-2019, 05:12 PM
Replies: 80
Views: 6,449
Posted By windows7forever
I wonder if any of you have done the modeling...

I wonder if any of you have done the modeling without realizing there's some but not strong evidence to show race and gender should have interaction effect from the plot function provided. I feel...
Forum: Exam PA: Predictive Analytics 06-11-2019, 01:46 PM
Replies: 573
Views: 74,360
Posted By windows7forever
Why is Age not log transformed when there are few...

Why is Age not log transformed when there are few people age 90 or above but the majority of people are under 30?

When do data exploration, I have seen age get split into intervals or leave as it...
Forum: Exam PA: Predictive Analytics 06-11-2019, 01:17 AM
Replies: 573
Views: 74,360
Posted By windows7forever
None of the sample projects talk about...

None of the sample projects talk about specificity or other metrics except accuracy. In final paragraph of results or executive summary, some projects talked about combination of TP, FP, TN, FN with...
Forum: Exam PA: Predictive Analytics 06-10-2019, 10:13 PM
Replies: 13
Views: 659
Posted By windows7forever
But the sample solution like to pick cp=0.01 or...

But the sample solution like to pick cp=0.01 or 0.05 to start with a tree right after the full model tree with cp=0. That tree will be very simple with one split only. Then we go back to find min(cp)...
Forum: Exam PA: Predictive Analytics 06-10-2019, 04:26 PM
Replies: 5
Views: 358
Posted By windows7forever
There's purposely something wrong in Hospital...

There's purposely something wrong in Hospital Readmissions File Task 9 codes. I did not realize that until I compare my answers with the solution line by line. Never think they will provide you...
Forum: Exam PA: Predictive Analytics 06-10-2019, 04:24 PM
Replies: 13
Views: 659
Posted By windows7forever
Given min cp is so small, why cannot we use cp=0...

Given min cp is so small, why cannot we use cp=0 to do cross validation and plot cp to show where relatively small cp occurs with least number of splits if possible?

Then we can just use two...
Forum: Exam PA: Predictive Analytics 06-10-2019, 02:40 PM
Replies: 13
Views: 659
Posted By windows7forever
Do we always select the cp value based on the...

Do we always select the cp value based on the minimized cross validation error, like which.min (cptable, xerror).... format?

Sometimes the cp with minimized xerror did not provide an easy to...
Forum: Exam PA: Predictive Analytics 06-10-2019, 02:28 PM
Replies: 14
Views: 1,296
Posted By windows7forever
40 hours per week * 52 weeks per year = 2080...

40 hours per week * 52 weeks per year = 2080 hours per year then minus 10 holidays or personal days off. Not all companies offer PTOs and holidays. If the project considers the minimum number of PTOs...
Forum: Careers - Employment 06-09-2019, 08:32 PM
Replies: 35
Views: 1,821
Posted By windows7forever
If your contract extends over 3 months, it will...

If your contract extends over 3 months, it will be longer than a typical summer internship. At least you can learn some basic computing or maybe even modeling techniques in actuarial work during...
Forum: Exam PA: Predictive Analytics 06-09-2019, 08:26 PM
Replies: 10
Views: 766
Posted By windows7forever
There's someone posted a manual here a couple...

There's someone posted a manual here a couple months ago. It's in actuarial bookstore last month. The manual is like a sample project style but without interpretation of results in detail but cost 50...
Forum: Exam PA: Predictive Analytics 06-09-2019, 12:54 AM
Replies: 10
Views: 766
Posted By windows7forever
There are about 50k-60k words if you type...

There are about 50k-60k words if you type everything from all slides in 9 PA modules. Many slides are picture only, I do not see an easy way to convert them all into PDF directly.
Forum: Exam PA: Predictive Analytics 06-06-2019, 06:30 PM
Replies: 573
Views: 74,360
Posted By windows7forever
Good question. Looking for answers. The only...

Good question. Looking for answers. The only source I found is the Module 8 and term life sample project. In exercises they mentioned how to code PCA, but I do not see PCA will dominate the study...
Forum: Exam PA: Predictive Analytics 06-06-2019, 02:22 AM
Replies: 80
Views: 6,449
Posted By windows7forever
Do any of you get the numbers task 9 talked...

Do any of you get the numbers task 9 talked about?

I was able to get very close numbers with the solution for AUC perfect match and slight off on some AIC values, but I was not getting the same...
Forum: Exam PA: Predictive Analytics 06-06-2019, 01:52 AM
Replies: 45
Views: 3,689
Posted By windows7forever
How about decision trees and GLMs? To test PCA,...

How about decision trees and GLMs? To test PCA, they need to provide high dimension data. It's like decision tree and clustering to provide new features, such as interaction terms to add to the GLM...
Forum: Exam PA: Predictive Analytics 06-01-2019, 08:43 PM
Replies: 80
Views: 6,449
Posted By windows7forever
When you draw the third decision tree, did you...

When you draw the third decision tree, did you get the same splits as the sample solution? I got the middle node different than the solution plot. when I used the same seed and method as the...
Forum: Exam PA: Predictive Analytics 06-01-2019, 08:40 PM
Replies: 80
Views: 6,449
Posted By windows7forever
I think you do not want potential outliers with...

I think you do not want potential outliers with right skewness of any variable. That's why variables like income are log transformed. That way you do not have to throw a couple billionaires or tens...
Forum: Long-Term Actuarial Math 04-14-2019, 05:35 PM
Replies: 2
Views: 956
Posted By windows7forever
I have not found a place to collect all...

I have not found a place to collect all conceptual questions for any exam. However, you can write them down in a notebook when you find one. During the real exam, you probably hardly see more than...
Forum: Long-Term Actuarial Math 04-14-2019, 05:28 PM
Replies: 508
Views: 85,426
Posted By windows7forever
CBD and Lee-Carter models are better and easier...

CBD and Lee-Carter models are better and easier than Universal Life WA questions. No big trick in problem reading. Glad they moved Universal Life to FAP.
Forum: Health - Disability 04-14-2019, 05:23 PM
Replies: 98
Views: 8,214
Posted By windows7forever
Wondering why the government cannot offer value...

Wondering why the government cannot offer value based plans like what the company offers? To control ER and other high costs, the government can set restriction program to limit utilization for all...
Forum: Actuarial Jobs - Employment - Property & Casualty / General Insurance 04-11-2019, 09:51 PM
Replies: 7
Views: 971
Posted By windows7forever
Their online video ads exceed the frequency of...

Their online video ads exceed the frequency of past leader GEICO.
Forum: Careers - Employment 04-08-2019, 10:03 PM
Replies: 70
Views: 5,749
Posted By windows7forever
There are plenty of entry level jobs in Florida...

There are plenty of entry level jobs in Florida if you are not limited yourself to Tampa only. Search them on Indeed, Glassdoor, Monster, LinkedIn and else sites.

Also there are no longer 5 but 7...
Forum: Careers - Employment 03-25-2019, 10:55 PM
Replies: 94
Views: 14,936
Posted By windows7forever
Was it SJ now known as PI? I have not got calls...

Was it SJ now known as PI? I have not got calls from them for a few months because they only had my old resume and old phone number. However, they did call, email, and LinkedIn people throughout the...
Forum: Careers - Employment 03-05-2019, 11:39 PM
Replies: 94
Views: 14,936
Posted By windows7forever
I had to change my phone number because of their...

I had to change my phone number because of their spamming calls. They always said there were qualified 6-figure jobs available in Eastern states for candidates with at least 2 years experience and at...
Showing results 1 to 25 of 239

 

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