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The post-postwhoring thead of DOOOOOOOOOMMMMMM!!!!!!
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Sojobo



Joined: 12 Jul 2006
Posts: 2433

PostPosted: Fri Feb 15, 2013 11:44 am    Post subject: Reply with quote

Dogen wrote:
(except possibly when doing statistics, but I've never heard of using a mnemonic for remembering the steps to calculate a standard deviation).

Square the Differences, Average them, take the square Root

Sōtō: Dōgen Amplifies Rjng

Although some people insist that "Root" is too general, so you need an 'S' for "Square root" instead, which makes it:

Sōtō: Dōgen Amplifies Shikantaza
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Dogen



Joined: 10 Jul 2006
Posts: 10594
Location: Bellingham, WA

PostPosted: Fri Feb 15, 2013 5:30 pm    Post subject: Reply with quote

But the SD are backward... you have to take the difference first! Though, if you remember the mnemonic you could probably figure it out. I stand corrected!

Is there a mnemonic for how to calculate linear regressions?
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bitflipper



Joined: 09 Jul 2011
Posts: 728
Location: Here and Now

PostPosted: Fri Feb 15, 2013 5:54 pm    Post subject: Reply with quote

=SLOPE(), =INTERCEPT(), and =CORRELATE() in Excel, or is that cheating?

Actually, over the past couple of decades, when having to analyze data sets of just about any kind for trends, if I don't have Excel, Matlab, MathCAD, or a decent statistical calculator at hand, I've always broken out Mark's Handbook for Engineers and looked up the formulae. From what I've seen, pretty much everyone in the industry does the same thing. So, I guess you could say "check Mark's" is our mnemonic.
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Dogen



Joined: 10 Jul 2006
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PostPosted: Fri Feb 15, 2013 6:20 pm    Post subject: Reply with quote

Yeah, in the social sciences we have SPSS (Statistical Package for Social Sciences), so no one does it by hand. But when you're a student you do everything by hand, so I figured someone might have worked out a mnemonic. Or like... beta weights. Something that takes lots and lots of steps.
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bitflipper



Joined: 09 Jul 2011
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PostPosted: Fri Feb 15, 2013 6:56 pm    Post subject: Reply with quote

Heh, yeah, I forgot the students' plight. Probably the best reason out there to get ones degree, any longer: so one can stop messing with the damned rote equations and actually go on to working in ones chosen discipline!
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Michael



Joined: 09 Jul 2006
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PostPosted: Fri Feb 15, 2013 11:20 pm    Post subject: Reply with quote

Once you have internet there are plenty of statistical packages (and manuals, please please please read the manuals) about.
I know for students it's often necessary to just learn a few steps off by heart to pass your year, but if you're trying to get something done that will have any kind of impact at all and you can't remember the formula, instead of looking it up please look at how your problem is formulated and which statistical tests would be appropriate (IE which test has examples that are just like yours) and then pose your problem to a friendly neighbourhood statistician or, if all other resources have been used, SPSS.
Whatever you do, don't try all tests in SPSS (or any other stats package) in a row until you find one that's "significant". Or increase "alpha" (or whatever it's called) until you reach a publishable significance level. Remember 5% significance means 1 in 20 results is wrong.

*crickets*

Just venting, sorry
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Bart



Joined: 22 Jul 2006
Posts: 1572

PostPosted: Fri Feb 15, 2013 11:35 pm    Post subject: Reply with quote

Michael wrote:

Whatever you do, don't try all tests in SPSS (or any other stats package) in a row until you find one that's "significant". Or increase "alpha" (or whatever it's called) until you reach a publishable significance level. Remember 5% significance means 1 in 20 results is wrong.


You're joking, that's exactly how it works.
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mouse



Joined: 10 Jul 2006
Posts: 17045
Location: under the bed

PostPosted: Wed Feb 20, 2013 11:10 pm    Post subject: Reply with quote

i just mostly want a place to put this stuff.

today i filled in this survey about the "campus climate" (which sadly had nothing to do with why my office is so cold all the time, and what can be done to change it). but they gave definitions to some of the terms, and i just wanted to preserve this, somehow.

Genderqueer - A person who redefines or plays with gender, or who refuses gender altogether. A label for people who bend/break the rules of gender and blur the boundaries.

i think this was from the question on what gender you identify with; man, woman, transgender and genderqueer, which i don't think i had ever heard of before.

and from the world of politics:
Far-left - Also known as the revolutionary left, radical left and extreme left are terms which refer to the highest degree of leftist positions among left-wing politics. The far left seeks the creation of strong or complete social equality in society and the dismantlement of all forms of social hierarchy.

Far-right - Extreme right, hard right, radical right, and ultra-right are terms used to discuss the qualitative or quantitative position a group or person occupies within right-wing politics. Far right politics involves support of strong or complete social hierarchy in society.

which makes me wonder if this is how those who throw these words around really see people.
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The Victim Here



Joined: 09 Jul 2006
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Location: Almost Not Trinity.

PostPosted: Mon Feb 25, 2013 10:06 pm    Post subject: Reply with quote

Somehow I feel like I should be surprised this place hasn't completely exploded in some manner.
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Michael



Joined: 09 Jul 2006
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PostPosted: Mon Feb 25, 2013 10:50 pm    Post subject: Reply with quote

*HUGS*
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Michael



Joined: 09 Jul 2006
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PostPosted: Mon Feb 25, 2013 10:50 pm    Post subject: Reply with quote

I can't believe you're here!
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The Victim Here



Joined: 09 Jul 2006
Posts: 2813
Location: Almost Not Trinity.

PostPosted: Tue Feb 26, 2013 12:37 pm    Post subject: Reply with quote

Well, after Tat made it so I almost couldn't get back into my account (there's a vetting process now when changing email addresses, it would seem), I nearly wasn't.
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Darqcyde



Joined: 11 Jul 2006
Posts: 10251
Location: A false vacuum abiding in ignorance.

PostPosted: Tue Feb 26, 2013 4:30 pm    Post subject: Reply with quote

Hey TVH! How's life? Was I correct in remembering you were occupied with school and WOW (or was it LOL)?
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The Victim Here



Joined: 09 Jul 2006
Posts: 2813
Location: Almost Not Trinity.

PostPosted: Tue Feb 26, 2013 5:21 pm    Post subject: Reply with quote

No WoW for me, that shit is something I probably wouldn't recover from. I'm still in college, just tidying up some final year project stuff.
Still a bit of League, Fighting games and now Path of Exile is all I'm doing in my down time.

Also, after taking a brief look around; the hell happened here? There's posts at the bottom here from 2 months ago!
And over in General there's posts that are over a year old on the front page! Did everyone find more interesting things to do on the internet or something?

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DeD CHiKn



Joined: 04 Aug 2006
Posts: 10222
Location: Baltimore, Maryla*gunshot*

PostPosted: Tue Feb 26, 2013 5:27 pm    Post subject: Reply with quote

no we just congregate in 10 threads now and shun/mock anyone that starts a new one.
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