DrBob2’s Activity

Today

NL

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DrBob2 replied to the Climate Change board. 2 hours ago

Re: Used electric cars

IMO, the main reason for the lower prices is just the subtraction from the list price of the government incentives. Factor that out and there is only a minor additional drop.

In addition, both Nissan and GM had significant price drops [more]

NL

Boards Post

DrBob2 replied to the Mechanical Investing board. 10:24 AM

Re: helping DB2 with GTR1, new screens

Thank you for the offer of GTR help. The effort is most likely not necessary if other people follow-up on ideas and testing potential screens (such as different hold period, number of stocks, value cut-offs, etc.).

However, there has to be [more]

NL

Boards Post

DrBob2 replied to the Mechanical Investing board. 9:49 AM

Re: Delving into a 49% screen

The AT may be higher simply due to more candidates being available?

What is AT?

So this screen relies upon some low priced stocks.

Yes, indeed. I call the final sort VR2Pr, our well-known volume ration (10day [more]

Yesterday

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Boards Post

DrBob2 replied to the Atheist Fools board. 8:52 PM

Re: Fascism Alive and Well

Interesting article, but it's not clear the author recognizes the evilness of ISIS.

DB2

NL

Boards Post

DrBob2 replied to the Climate Change board. 5:05 PM

Re: Models & precipitation

Vital Details of Global Warming Are Eluding Forecasters
www.sciencemag.org/content/334/6053/173.summary
Seattle Public Utilities officials had a question for meteorologist [more]

NL

Boards Post

DrBob2 replied to the Climate Change board. 4:58 PM

Re: Models & precipitation

Time to Adapt to a Warming World, But Where's the Science?
http://www.sciencemag.org/content/334/6059/1052.short
“There's an urgent need for actionable climate information [more]

NL

Boards Post

DrBob2 replied to the Climate Change board. 3:40 PM

Re: Models & precipitation

You need to make at least some attempt to understand what climate models are designed to do. What are projected are probabilities.

Yes, if one has five studies for the future precip of your region and they range from significant [more]

NL

Boards Post

DrBob2 posted to the Atheist Fools board. 8:36 AM

An atheist goes down

American atheist blogger hacked to death in Bangladesh
www.theguardian.com/world/2015/feb/27/american-atheist-blogg...
A [more]

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DrBob2 replied to the Political Quagmire board. 6:59 AM

Re: The pols may insist...

"What is happening is a threat to our existence," said Ablahd Kourieh, an Assyrian Christian

So, steve, you on board for ethnic cleansing?

DB2

NL

Boards Post

DrBob2 replied to the Climate Change board. 6:55 AM

Re: About that warming

Joins metropolitan areas such as Chicago and Pittsburgh which have experienced most frigid period in decades

This Chicago February takes a silver medal, second coldest only to 1875.

DB2

NL

Boards Post

DrBob2 replied to the Atheist Fools board. 6:27 AM

Re: Nimoy on being mixed 'race'

Apparently a teen wrote him about being "mixed". He actually responded. It ended up in "Fave" magazine.

I also liked the ad in Fave.

BRAND NEW and GROOVY
1st TIME OFFERED

MONKEE SWEAT [more]

Sat Feb 28

NL

Boards Post

DrBob2 replied to the Climate Change board. 8:27 PM

Re: Models & precipitation

Not that you're likely to change :-)

Well, neither of us is likely to change....

But back to paleo. How in Gaia's name could you know if the planet's albedo was 0.28 or 0.29 or 0.30 (or something else) five million years [more]

NL

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DrBob2 replied to the Atheist Fools board. 6:46 PM

Re: The chatty Pentagon

Politicians don't train soldiers to stand and fight. Generals do.

It would have helped if we had keep two or three bases in Iraq, one near Baghdad, one in Kurdistan and one in the western desert. Good for training, better intelligence [more]

NL

Boards Post

DrBob2 replied to the Climate Change board. 6:41 PM

Re: Models & precipitation

The sensitivity is not assumed. It is determined from a large number of studies involving current observations, paleoclimate data, and models. This gives a range to the climate sensitivity. I see no honest way to throw out the studies that give [more]

NL

Boards Post

DrBob2 replied to the Climate Change board. 6:31 PM

Re: Used electric cars

I am psyched by these falling prices on used electric cars: it means I may actually be able to afford one before long. Used Leafs in particular are getting remarkably affordable, but pretty good deals on used Volts too.

I thought that [more]

NL

Boards Post

DrBob2 replied to the Climate Change board. 5:05 PM

Re: Models & precipitation

Often people emphasize the uncertainty in climate science as a reason to not act. I don't think that is your perspective but you haven't really said. So what conclusion do you draw on the actions we should take today, given the information that [more]

NL

Boards Post

DrBob2 replied to the Climate Change board. 3:14 PM

Re: Models & precipitation

Muller et al. reviewed possible impacts of modeled climate change on African agriculture. They conclude that the impact will be somewhere between -100% and +168%!!!
---
What is the probability they assign to -100%? I would guess that
[more]

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Boards Post

DrBob2 replied to the Atheist Fools board. 1:21 PM

Re: The chatty Pentagon

Mission to Retake Mosul to Begin in April, May

Pentagon Scrubs Major Attack on ISIS
[more]

NL

Boards Post

DrBob2 replied to the Mechanical Investing board. 9:44 AM

Re: Screamers post-discovery

When we totally ignore a screen, for example, with a CAGR > 40 (confirmed on the GTR1 backtester) what does the say?
---
Which screen was that? Link please.


Here ya go, Big Jump screen:
[more]

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Boards Post

DrBob2 replied to the Climate Change board. 8:40 AM

Re: Models & precipitation

A paper by Anagnostopoulos et al. compared climate models to temperature and precipitation data at 55 locations around the globe and at 70 stations in the US. They find model performance is poor both at a local and regional scale, even at the climate [more]

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