Sunday, October 31, 2010

Cold Turkey 2010

With a tagline like "Wobble before you Gobble", how could I resist?  So, I signed up to do a 6k run from the State Capitol Building at 9am on Thanksgiving morning, which is also the day before I leave Salt Lake City to head home for Diardie's birthday and Christmas.  Can't wait.

Click Here to Donate

I am running in aid of the Huntsman Cancer Foundation and hope to raise the modest sum of $100.  I'm a long way off that yet.

For all their talk that "Philanthropy is an American thing; they just don't have the same tradition in Europe", they're a tough group to crack for raising a few bucks out of their own pockets. It's only 'philanthropy', apparently, if someone else (mega-rich) is paying (for everything)! Yet another small cultural difference, I suppose?

Thursday, October 28, 2010

For Voley

(This is for Voley, coz Con's already seen it)
Bloom County house, Iowa City

Wednesday, October 20, 2010

Hiking and Running

Last weekend, I took myself off down to Moab - a four hour drive over mountains and through desert to the south east corner of Utah.  It was well worth the trip!  
the desert
Monitor and Merrimac










Moab is a small town in the middle of a red rock desert.  It looks a lot like a more up-market version of Radiator Springs (for those of you who've seen Cars).  There are loads of places to eat, drink, make merry and spend (lots of) your money on 'authentic American Indian' crafts and jewellery.
Hiking trail markers
Dead Horse Point










On Saturday, I wandered around town for a few hours and mostly just wasted time before I headed out to Dead Horse Point for a wee spot of hiking.  The Point is a rocky outcrop reached across a land bridge that is just 30 feet wide.  There are 2,000 foot drops the whole way round.
Dead Horse Point
Dead Horse Point










Legend has it that each year, cowboys would round up hundreds of wild mustangs from the mesa, corral them on the promontory, pick out the good ones and then release the others.  One year, for some reason (the story is unclear as to whether or not the corral was removed or left behind), the remaining horses stayed on the point and died of thirst within sight of the Colorado River, hence the name: Dead Horse Point.
Me on the Point
Dead Horse Point













Starting Line at
Dewey's Bridge
On Sunday, I left my exorbitantly overpriced motel before sunrise and joined a group of intrepid mental cases on the shuttle bus to Dewey's Bridge, about 30 miles north of Moab, on Highway 128, by the Colorado River.
Sunrise at Dewey's Bridge










We huddled around open fire braziers for an hour, watching the sun come up and paint the canyon walls red, before making our way back to the road and running 13.1 miles back to Sorrell River Ranch.  I was very proud of myself, finishing a half-marathon at 5,000 feet elevation in 2:10, especially considering (a) the altitude and (b) having to stop and take photos every couple of miles.
mile 8
mile 5










It was one of the most amazingly scenic half-marathons I have every done.  It was literally awesome - breath-takingly, awe-inspiringly beautiful.  There was also free beer at the finish line, yeay!  (Yes, really, free beer, on Sunday morning, in Utah... go figure!)

Balancing Rock
I got back to Moab around midday and stopped off for some lunch before heading out to Arches National Park.  I spent about an hour and a half driving around the park and stopping at various viewpoints until I got to Wolf Ridge Ranch.

Park Avenue




Petrified Sand Dunes







Then, I'll admit, I wussed out of the 2 hour hike up to Delicate Arch and drove up to the viewpoint which was about 1km from the Arch.  

Delicate Arch
(in the distance)

After that, I turned tail and drove back to Salt Lake City.  It was a bloody awful drive... took 5 hours, in the dark, over windy mountain roads, through rain storms.  Ugh! I was a ball of sweaty tension by the time I got home, but it was still the best weekend I've had since I've been here.



Me at Arches

Delicate Arch
(official photo)

Monday, October 11, 2010

Happy Columbus Day


Though, what's so happy about commemorating an event that possibly precipitated the genocide of countless indigenous peoples on this continent, I'm not so sure.

Also, Columbus never actually set foot on what is now the USofA, right?

Oh details, details.  Never mind.  It's not like it's a Federal holiday, or anything, so that's okay.

Wednesday, October 6, 2010

L'esprit de l'escalier

Actually, I don't think I disgraced myself too badly, but reading back over the transcription of today's disagreement with a professor from an ivy league school, I feel like there were some points that I should have elucidated more clearly, if only I'd known I'd want to raise them... I'm going to repeat most of the exchange here verbatim, but I reserve the right to edit minimally (i.e. no ums, ahs, or repeated you knows - his, not mine!, and no-one but me will be identified).  This took place about two and a half hours into a four hour session on 'Cost Effectiveness and Decision Analysis', so it will also give you a flavour of the hell I have been enduring for the past three weeks of sitting in on similar lectures and being told the same sort of thing.  It's a wonder I haven't broken before now!
Me: Can I ask, do you see these decision trees as being some sort of post hoc rationalisation, or would...
Him: Oh God, no! Heavens, no! No.
Me: So, you would expect somebody to sit down and...
Him: Yes
Me: ... work out all these sums...
Him: Yes
Me: ... and not be able to intuitively make a judgement on all these factors?
Him: Well, on every patient, one at a time? No.  Although there are people [that have] this notion that there will be a day, there might be a day when just as you can go to your electronic health record and get information about patients like this, you can tap into a program that will use a pre-constructed decision tree and give you a result, not that that's what you have to do, but it will give you the information in real-time.
Me: OK.  But, so what is the value then of having a profession that have learnt a practice, rather than going to a computer and putting in your own symptoms and then having a print-out saying 'this is the test you should take' or 'this is the treatment you should have'?
Him: [...] you know the mechanisms.  Why do certain tests work?  What do they do?  What are they measuring?  What's the '-iology'?  What's going on at a cellular level?  You want to know what's going on inside that black box, it's important.  That's one answer.  Another answer is that, and I said this earlier but I'm gonna say it again, the main advantage of doing decision analysis is not to get the number.  The main advantage is to sharpen your thinking.  So, yes...
Me: OK, but there's other ways to sharpen your thinking than being entirely 'systematic' and positivistic about your approach to problem solving, I would have thought.
Him: Say that again?
Me: There's other ways to sharpen your thinking and consider alternative options than taking one particular track.
Him: Well, I mean, if you want to think systematically and clearly about the circumstances under which getting the test, ordering the test is a good thing to do...
Me: But, systematic thinking does not necessarily mean that you have to be probabilistic in your approach.
Him: I suppose not, but it's one way to be systematic...
Me: So, it's one alternative.
Him: You could make decisions based on other criteria than expected outcomes, but eh, this is one way of doing it...
This brought the group off on a bit of a discussion for a few minutes, but about five minutes later, he starts lecturing again and pointedly comes back to me.  I apologise in advance for what you're about to have to skim over, but I had to listen to it several times (once live and then a few times for transcribing) and I have no sympathy for you and make no apologies for what I am about to subject you to, even if it is a bit like water boarding...
Him: (to me) But I think your question was 'why do you need to know what goes on inside the black box?', and the answer is probably, maybe you don't.  But, you know, it's usually a good idea to have some vague idea if you order a test why you're ordering that test, what a positive result means [...] I don't expect you to go home and do this; I expect you to be able to use the software and have an increased appreciation of what the software is doing, which may make you a more informed user of the software [...] If you just pick up the software package and plug in numbers, you might not know what some of those options mean.  You know, these days,  people buy software and they don't know what half the options do.  They might tinker with it but I'm trying to give you a sense of what you can do with the software.  There's a whole branch, sort of an extension, of decision analysis that I didn't get into called Markoff models, which are sort of decision trees that sort of recycle themselves.  That, you sort of have an event and then you go on, you make another decision and then you have another possibility of an event and things go on and on and on.  m.  There are other extensions that involve simulating individual patients, simulating the probability, basically rolling dice for each patient in a thousand patients to get a sense of what would happen in a thousand patients when you're developing strategies, em.  These are things that the software can do and you don't really need to know how it does it, you just need to know that it can do it and rolls up those kinds of analyses
Me: But then there's a whole other bunch of black boxing going on there about how the software is written and developed and how that program, what biases are built into the program.  So, there's black boxing no matter what you're doing...
Him: I don't want to be critical of your point, but there are people who do statistics and don't know what the hell they're doing...
I'll leave it at that.  As I re-wrote this, you have no idea how much I wish I could annotate and comment on several different things within his (interrupted) monologue.  I'll make do with a comment on how this ended.  He 'didn't want to be critical' of my point, the dirty liar!  He not only completely dodged a valid criticism (open the black box on medical decision making by piling it all into a black box of software-driven analysis tools?) by refusing to engage with the question, instead going off on a rant about how people misuse statistics (using a t-test when they should've used a chi-squared test, fr'instance) to redirect (misdirect?) attention from the point I raised.  If I were a stronger person, maybe I'd have pursued it, USPOS-style, but I felt that I had taken my share of class time and I was not feeling a ground-swell of support.  Tough room.

I did at least feel like I had stood my ground, somewhat admirably.  Next time, I won't be so nervous and the arguments will be better honed from the experience of sharpening them against such opposition.  There will be a next time.