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Search: Posts Made By: vchagas
Forum: Software & Technology 05-20-2013, 05:36 PM
Replies: 5
Views: 1,259
Posted By vchagas
I'm using http://www.clementine-player.org/ ...

I'm using

http://www.clementine-player.org/

on Linux. Didn't try the windows version.
Forum: Software & Technology 04-17-2013, 05:35 PM
Replies: 19
Views: 1,633
Posted By vchagas
Desktop: Win 7 64bit, 16Gb RAM, SAS 64bit, R...

Desktop: Win 7 64bit, 16Gb RAM, SAS 64bit, R 64bit, Office 2010 32bit (I know :()

Laptop: Win XP 32bit, 4Gb RAM, R 32bit, Office 2010 32bit
Forum: Software & Technology 04-17-2013, 05:09 PM
Replies: 3
Views: 798
Posted By vchagas
I just had 3 days of introductory formal training...

I just had 3 days of introductory formal training this week but not in the U.S.

I'm in Portugal, so it was Sungard UK :)

For me, complete noob, it was very helpful both the Prophet and DCS...
Forum: Software & Technology 04-17-2013, 05:03 PM
Replies: 8
Views: 6,816
Posted By vchagas
Don't forget to check your results! There must be...

Don't forget to check your results! There must be a reason for fitdist to fail with the mle method.

Just generate some random numbers from the distribution you got and compare with the original...
Forum: Software & Technology 04-16-2013, 06:16 PM
Replies: 8
Views: 6,816
Posted By vchagas
Is gamma an appropriate distribution for your...

Is gamma an appropriate distribution for your data?

Try using a different method from the default (mle) in the function, for instance


fitG.mme<-fitdist(k, "gamma", method="mme")
Forum: Software & Technology 04-14-2013, 02:23 PM
Replies: 2
Views: 693
Posted By vchagas
It's easier to go the R way. Much more...

It's easier to go the R way.

Much more versatility and support and part of the work is already done (lifecontingencies package).

Speed might be an issue!
Forum: Software & Technology 01-15-2013, 04:41 AM
Replies: 7
Views: 1,055
Posted By vchagas
I used it about 12 years ago when I started...

I used it about 12 years ago when I started working as a P&C actuary.
At the time I had some trouble with a few minor but annoying bugs eventually I was convinced to follow the SAS road.

Any...
Forum: Property - Casualty / General Insurance 01-07-2013, 08:11 AM
Replies: 36
Views: 11,312
Posted By vchagas
Just my 50c, I used to use LaTeX quite...

Just my 50c, I used to use LaTeX quite extensively, especially with R/Sweave for short reports.

My last, and biggest, use of it was in 2011 for my master thesis, not interested to repeat the...
Forum: Software & Technology 01-04-2013, 06:25 AM
Replies: 41
Views: 4,058
Posted By vchagas
I use jGnash...

I use jGnash (http://sourceforge.net/projects/jgnash/) mainly from Linux for increased safety.
Forum: Software & Technology 12-21-2012, 04:46 AM
Replies: 3
Views: 807
Posted By vchagas
1) Novice way I suppose you're using RGui. Just...

1) Novice way
I suppose you're using RGui. Just do File|New script and write your code there.
To run it simply select and Ctrl-R

2) Expert way
Use R from RStudio (http://www.rstudio.com/).
...
Forum: Software & Technology 12-18-2012, 11:57 AM
Replies: 5
Views: 1,078
Posted By vchagas
Not so linear. The limitation on R comes...

Not so linear.

The limitation on R comes from the fact that it is RAM based, so the data must fit confortably in the computer memory.

In the 64bit world the problem is somewhat reduced and...
Forum: Software & Technology 11-15-2012, 05:06 AM
Replies: 22
Views: 3,928
Posted By vchagas
Smile Like this? ...

Like this?

http://liliputing.com/2012/06/how-to-run-ubuntu-linux-on-the-mk802-74-pc-on-a-stick.html


I prefer an approach more like this

http://pareto.uab.es/mcreel/ParallelKnoppix/

bu...
Forum: Software & Technology 11-13-2012, 07:51 PM
Replies: 33
R
Views: 7,119
Posted By vchagas
My way of upgrading R

There's one task that I hate to do in R … INSTALL A NEW VERSION!

With a couple of new releases coming out every year, it's easy to become outdated.

R 2.15.2 has recently been released and this...
Forum: Software & Technology 11-11-2012, 05:01 AM
Replies: 22
Views: 3,928
Posted By vchagas
Yes I know :) But this is just an hobby ......

Yes I know :)

But this is just an hobby ... trying to build a very low cost cluster with my own machines.
Forum: Software & Technology 11-10-2012, 01:44 PM
Replies: 22
Views: 3,928
Posted By vchagas
Just a suggestion before starting to spend loads...

Just a suggestion before starting to spend loads of money :)

Try to use the machines already available, you just need to boot them from a USB pen drive with puppy linux installed. That way you...
Forum: Software & Technology 10-04-2012, 02:24 PM
Replies: 12
Views: 1,305
Posted By vchagas
In this type of query, every column need to be...

In this type of query, every column need to be grouped by or aggregated.

GROUP BY c.memberID, r.riskscore

should solve your problem
Forum: Software & Technology 10-03-2012, 11:28 AM
Replies: 41
Views: 4,452
Posted By vchagas
When there's time :) Been playing GW since...

When there's time :)

Been playing GW since May 2005, but I agree that GW2 is much better for people with limited time.
Forum: Software & Technology 09-11-2012, 09:23 AM
Replies: 13
Views: 1,603
Posted By vchagas
About VB.NET or R ?

About VB.NET or R ?
Forum: Software & Technology 09-10-2012, 11:04 AM
Replies: 13
Views: 1,603
Posted By vchagas
I had that problem, so I just used R for moderate...

I had that problem, so I just used R for moderate size problems, even with workarounds like "ff", "bigmemory" or "filehash" it was problematic.

Since last friday I have a new desktop with 16Gb of...
Forum: Software & Technology 09-09-2012, 11:26 AM
Replies: 13
Views: 1,603
Posted By vchagas
Unless you are interest in writing programs...

Unless you are interest in writing programs professionally, ie, selling the programs.

I would use the time to learn R, it's much more versatile for actuarial work, and you can still use it as the...
Forum: Software & Technology 09-07-2012, 11:17 AM
Replies: 13
Views: 1,603
Posted By vchagas
What do you intend to do with VB.NET?

What do you intend to do with VB.NET?
Forum: Software & Technology 08-29-2012, 06:35 PM
Replies: 13
Views: 1,919
Posted By vchagas
Glad it helped :) R is a great tool. I...

Glad it helped :)

R is a great tool.

I sometimes use this (http://www.diva-gis.org/gData), I suppose it's the same.
Forum: Software & Technology 08-29-2012, 12:06 PM
Replies: 13
Views: 1,919
Posted By vchagas
You have to change the color palette See if...

You have to change the color palette

See if this help

http://www.r-chart.com/2010/06/color-palettes-in-r.html#!/2010/06/color-palettes-in-r.html

or use the RColorBrewer...
Forum: Software & Technology 08-28-2012, 10:40 AM
Replies: 53
Views: 7,020
Posted By vchagas
If it's only for learning purposes I would...

If it's only for learning purposes I would recomend SQLite (http://www.sqlite.org/).
Forum: Software & Technology 08-07-2012, 06:44 PM
Replies: 2
Views: 2,131
Posted By vchagas
This might help ...

This might help

https://communities.sas.com/thread/14306?start=0&tstart=0
Showing results 1 to 25 of 286

 

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