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Search: Posts Made By: RiskyBusiness7
Forum: Exam PA: Predictive Analytics 06-18-2019, 01:38 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
same

same
Forum: Exam PA: Predictive Analytics 06-18-2019, 01:37 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
thought it was something like this... ...

thought it was something like this...

univariate analysis 5
combining factor levels 5
PCA 9
interactions 6
pick dist & link 8
feature selection 15
validate model 6
interpret model 6
Forum: Exam PA: Predictive Analytics 06-12-2019, 02:46 PM
Replies: 45
Views: 4,071
Posted By RiskyBusiness7
I guess I don't understand how it helps? I'm not...

I guess I don't understand how it helps? I'm not super clear on them either, and this is just telling you which distributions they get used with - which surprisingly was included with the modules. ...
Forum: Exam PA: Predictive Analytics 06-12-2019, 02:11 PM
Replies: 45
Views: 4,071
Posted By RiskyBusiness7
that's explaining the purpose of those two...

that's explaining the purpose of those two different distributions, but not how the offsets/weights are used
Forum: Exam PA: Predictive Analytics 06-12-2019, 01:42 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
layman's explanation of why we can't drop MARSTAT...

layman's explanation of why we can't drop MARSTAT in module project? because the model makes the connection that MARSTAT = 0 implies 0's in the spouse variables?
Forum: Exam PA: Predictive Analytics 06-12-2019, 11:08 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
good luck ladies.

good luck ladies.
Forum: Exam PA: Predictive Analytics 06-11-2019, 07:01 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
since the exam is offered on two different days,...

since the exam is offered on two different days, 2 different exams, or nah?
Forum: Exam PA: Predictive Analytics 06-11-2019, 02:55 PM
Replies: 80
Views: 7,148
Posted By RiskyBusiness7
anyone get this message when creating the...

anyone get this message when creating the confusion matrices?

Levels are not in the same order for reference and data. Refactoring data to match.
Forum: Exam PA: Predictive Analytics 06-10-2019, 07:40 PM
Replies: 45
Views: 4,071
Posted By RiskyBusiness7
yeah, this will probably be it because it wasn't...

yeah, this will probably be it because it wasn't included in the modules...
Forum: Exam PA: Predictive Analytics 06-10-2019, 12:53 PM
Replies: 14
Views: 1,487
Posted By RiskyBusiness7
how are we supposed to know 2000 hours is the...

how are we supposed to know 2000 hours is the equivalent of one full-time employee's hours for the year?

yes, I understand they asked for the rate per 2000 employee hours, but I don't see "2000 =...
Forum: Exam PA: Predictive Analytics 06-09-2019, 10:44 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
most scattered I've ever been prepping for an...

most scattered I've ever been prepping for an exam.. constantly trying to pull in information from other places that actually explain concepts from the modules.. anyone found success in creating any...
Forum: Exam PA: Predictive Analytics 06-04-2019, 08:44 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
yeah, I think they set up that check to show you...

yeah, I think they set up that check to show you that the "cutoff" they chose creates similar environment as the raw data, i.e. that you're getting 65% passes and 35% fails. so you would've had to...
Forum: Exam PA: Predictive Analytics 06-03-2019, 08:58 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
they're just being wordy and using two adjectives...

they're just being wordy and using two adjectives to describe the analysis, you know, what we're not supposed to do


on a separate note, I feel like people have discussed this before, but where...
Forum: Exam PA: Predictive Analytics 06-01-2019, 09:12 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
I'm practicing the basics again, and cannot get...

I'm practicing the basics again, and cannot get my predict function to work. Please let me know if you've seen this error...

galton <- read.csv("galton.csv")
lm_galton <- lm(child ~ parent, data...
Forum: Exam PA: Predictive Analytics 05-17-2019, 03:50 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
can anyone give a description of what a link...

can anyone give a description of what a link function is in layman's terms? not getting the difference between that and a transformation.
Forum: Exam PA: Predictive Analytics 05-13-2019, 01:45 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
yep. even though there is more structure now,...

yep. even though there is more structure now, seems like the exam is going to be a lot harder concept-wise.
Forum: Exam PA: Predictive Analytics 05-05-2019, 02:22 PM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
https://www.soa.org/globalassets/assets/files/edu/...

https://www.soa.org/globalassets/assets/files/edu/2018/2018-exam-pa-errata.pdf
Forum: Exam PA: Predictive Analytics 04-26-2019, 09:54 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
for the auto claim dataset [used in mod 6 & mod...

for the auto claim dataset [used in mod 6 & mod 7], can anyone explain why we exclude the observations where CLM_AMT5 = 0? that doesn't seem intuitive to me, since it is very possible that a...
Forum: Exam PA: Predictive Analytics 04-25-2019, 10:03 AM
Replies: 2
Views: 370
Posted By RiskyBusiness7
the caret package was already there - it turns...

the caret package was already there - it turns out the problem was the stringi package.

in case anyone faces a similar problem as me...

I downloaded R version 3.5.2 because the modules said...
Forum: Exam PA: Predictive Analytics 04-24-2019, 10:42 AM
Replies: 2
Views: 370
Posted By RiskyBusiness7
Caret Library

Anyone else's caret library not work when using the checkpoint from the modules? Anyone resolved the issue?

At first, I was being told that is "no package called 'stringi'" and then after I...
Forum: Exam PA: Predictive Analytics 04-23-2019, 07:03 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
same. I feel like topics are ordered extremely...

same. I feel like topics are ordered extremely poorly, and that explanations were not done well. after finishing the module, I can't really explain the link function vs. the distribution.
Forum: Exam PA: Predictive Analytics 04-18-2019, 06:58 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
oh, I see now. they are showing the work in...

oh, I see now. they are showing the work in brackets. I thought they wanted you to multiply [100*(.988-1)] by 1.12% again

thanks
Forum: Exam PA: Predictive Analytics 04-16-2019, 07:23 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
anyone know where 1.12% is coming from on slide...

anyone know where 1.12% is coming from on slide 75 of mod 6?
Forum: Exam PA: Predictive Analytics 03-26-2019, 09:42 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
Yes, all my .RMD files are in the "checkp5"...

Yes, all my .RMD files are in the "checkp5" folder. And whenever I re-open my Rstudio instance, I make sure that I switch the project to the "checkp5.Rproj" file that was provided.

Yours is...
Forum: Exam PA: Predictive Analytics 03-25-2019, 07:57 AM
Replies: 645
Views: 99,720
Posted By RiskyBusiness7
when I try to load to library, I get this...

when I try to load to library, I get this message:

Error in library(stringi) : there is no package called ‘stringi’


And a similar thing occurs when I'm attempting to use the 4.2.RMD file's...
Showing results 1 to 25 of 47

 

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