/sci/ - Science & Math

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Anonymous Fri 08 Oct 07:58:34 2021 No.13728266 View Reply Original Report

Quoted By: >>13728358 >>13728362 >>13728367

Help me understand that argument, as i am a brainlet in statistics and otherwise.
>differences within groups is bigger than differences between groups
>the concept of groups is therefore nonsensical

3 posts omitted

Anonymous

Anonymous Fri 08 Oct 2021 08:41:50 No.13728358 Report

Quoted By:

>>13728266
look at these two groups:
{aaff,aefg,acfh,adfi}, {bbjj,bdjg,bcjh,beji}
each individual has 4 alleles. the difference between the groups is that the first has a and f while the other has b and j, so there is 2 or 4 differences depending how you want to count it. but within each group has either: c, d, e, g, h, and i. so more variation within than between. but because each individual in each group shares either a or b and f or j they will cluster together considering edit distance that makes 2 noticeable groups at a certain scale.

Anonymous

Anonymous Fri 08 Oct 2021 08:43:17 No.13728362 Report

Quoted By:

>>13728266
Yes, there are people who have higher melanin or are taller, and have surprising insides.
They are smart, or really good at retaining alcohol.
Some shorter people are really good at jumping.

Basic things to understand is the shape of the jawline.
Generally, people with jaws that jut forward from their eyes, like a chimpanzee, are not smart.
People who are poor are not necessarily dumb.

Anonymous

Anonymous Fri 08 Oct 2021 08:44:49 No.13728367 Report

Quoted By:

>>13728266
Probably based on the false intuition that if two members of the same group are "more similar" to the average of another group than they are to each other, the groups are arbitrary.

Anonymous

Anonymous Fri 08 Oct 2021 11:38:31 No.13728613 Report

Quoted By: >>13728631

What you need to understand is that the genetic variance between groups of chimpanzees is greater than variance between chimps and humans

Anonymous

Anonymous Fri 08 Oct 2021 11:48:26 No.13728631 Report

Quoted By:

>>13728613
Chimps ought to have rights.

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Anonymous Fri 08 Oct 08:04:02 2021 No.13728280 View Reply Original Report

Quoted By: >>13728364 >>13728592

If 0.999... = 1 then doesnt every number equal the 0.000...1 of itself?
So 1 = 1.000...1?
If so then nothing equals anything

8 posts and 1 image omitted

Anonymous

Anonymous Fri 08 Oct 2021 08:44:16 No.13728364 Report

Quoted By:

>>13728280
>so then nothing equals anything
Woah chief you kind of went from infinitesimal to infinite in one step there

Anonymous

Anonymous Fri 08 Oct 2021 11:25:14 No.13728592 Report

Quoted By:

>>13728280
0.1=10^-1
0.01=10^-2
0.001=10^-3
:
0.0...1=10^-inf=0

Anonymous

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Anonymous Fri 08 Oct 2021 11:25:51 No.13728593 Report

Quoted By:

>10^-inf

Anonymous

Anonymous Fri 08 Oct 2021 11:30:27 No.13728603 Report

Quoted By:

$\displaystyle 0. \bar{0}1 = \lim_{n \to \infty} 0. \underbrace{0 \dots 0}_{n ~ \text{times}}1 = \lim_{n \to \infty} \left [ \left ( \sum_{k=1}^n \dfrac{0}{10^k} \right ) + \dfrac{1}{10^{n+1}} \right ] =0 $

Anonymous

Anonymous Fri 08 Oct 2021 11:31:38 No.13728604 Report

Quoted By:

>if you finish the infinite task, you will get this number, bro
>trust me, the limit says so

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/dsci/ - Data Science thread

Anonymous Fri 08 Oct 00:41:45 2021 No.13727167 View Reply Original Report

Quoted By: >>13728602

Top 10 Programming Language according to /sci/ Statistics.
1) Python
2) R
3) MatLab
4) Java
5) Ruby on rails
6) JavaScript
7) C sharp
8) C++
9)Swift
10) Wordpress

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Ice Sun vs Lava Sun 2021 Championships Results

Anonymous Fri 08 Oct 08:24:39 2021 No.13728322 View Reply Original Report

Quoted By: >>13728532

In an absolutely stunning upset, ice sun has taken the day.

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Oxford or Cambridge ?

Anonymous Thu 07 Oct 21:04:43 2021 No.13726549 View Reply Original Report

Quoted By: >>13728087 >>13728500 >>13728531

10 posts omitted

Anonymous

Anonymous Fri 08 Oct 2021 06:30:25 No.13728087 Report

Quoted By: >>13728272

>>13726549
What uni worldwide if I want a highly rigorous maths/stats postgraduate with lots of coursework.

Anonymous

Anonymous Fri 08 Oct 2021 08:00:06 No.13728272 Report

Quoted By:

>>13728087
École normale supérieur

Anonymous

Anonymous Fri 08 Oct 2021 09:36:26 No.13728463 Report

Quoted By:

>>13728071
I am a top student. If I’m looking for the absolute best college/uni combo, Trinity/Cambridge is it or Christ-Church, Oxford?

Anonymous

Anonymous Fri 08 Oct 2021 10:00:40 No.13728500 Report

Quoted By:

>>13726549
>Anglo University
From the country that brought you brexit and Boris Johnson, no one takes them seriously anymore. You want good education? Go to France or Germany.

Anonymous

Anonymous Fri 08 Oct 2021 10:23:48 No.13728531 Report

Quoted By:

>>13726549
why does it matter when you won't get into either

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Anonymous Tue 05 Oct 19:20:18 2021 No.13719402 View Reply Original Report

Quoted By: >>13725508 >>13726067

What is the most /sci/ fashion?

28 posts and 8 images omitted

Anonymous

Anonymous Thu 07 Oct 2021 14:04:34 No.13725003 Report

Quoted By:

>>13719412
This, so much this. Why study chemistry if you're not even going to wear a hazelnut sweater with an auburn scarf lmao fake scientists ITT

Anonymous

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Anonymous Thu 07 Oct 2021 16:45:57 No.13725508 Report

Quoted By:

>>13719402
Obviously $\LaTeX$

Anonymous

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Anonymous Thu 07 Oct 2021 16:53:24 No.13725545 Report

Quoted By:

>>13724804
>not tweed patches on a leather jacket

Anonymous

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Anonymous Thu 07 Oct 2021 18:59:57 No.13726067 Report

Quoted By:

>>13719402

Anonymous

Anonymous Fri 08 Oct 2021 10:17:57 No.13728519 Report

Quoted By:

30 posters
31 replies
Again OP abandoned thread on posting this. We have been had. How do we avoid these ADHD-fuelled posts?

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Discuss interesting studies

Anonymous Fri 08 Oct 09:07:06 2021 No.13728412 View Reply Original Report

Quoted By: >>13728422

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Is 90% cases sexual selection is disgenic as hell

Anonymous Sun 03 Oct 12:06:03 2021 No.13710883 View Reply Last 50 Original Report

Quoted By:

Why does nature allows this?

68 posts and 10 images omitted

Anonymous

Anonymous Fri 08 Oct 2021 04:02:53 No.13727723 Report

Quoted By:

>>13712462

It's consensual. The female could fly away. Birds don't have opposable thumbs.

It looks like rape. It is actually an orgy where men fight each other. The female duck is winning in the scenario depicted. It's just incredible when you understand what's going on.

I look at my huge dick and fucking lament.

Anonymous

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Anonymous Fri 08 Oct 2021 04:59:44 No.13727892 Report

Quoted By:

>>13725703
>the males with shinier feathers spend less time being exhausted from being held down and raped and more time raping.

Anonymous

Anonymous Fri 08 Oct 2021 05:05:04 No.13727906 Report

Quoted By:

>>13710898
>>13725703
The competition is not to overpower the female, but to overpower other males. The weaker males didn't get any duck pussy, the big duck was doing all the fucking and the orbiters were trying to stop him.

Anonymous

Anonymous Fri 08 Oct 2021 05:27:11 No.13727946 Report

Quoted By:

>>13712998
>female mate preference is paradoxically careening towards less and less fit traits
Don't they find such traits attractive because surviving to maturity with a massive handicap is proof of genetic fitness? The bigger the handicap, the fitter the mate?

Anonymous

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Anonymous Fri 08 Oct 2021 08:53:30 No.13728390 Report

Quoted By:

Sigma women would just not adapt to Alphamale breeding requirements

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Anonymous Thu 07 Oct 17:43:20 2021 No.13725779 View Reply Original Report

Quoted By: >>13725787 >>13725884 >>13728317 >>13728329

I always wondered about temperature and density .
If i take 500mL at 60°C of a liquid substance and i weight it and it says it weighs 500g
So the density is 1g/mL.

Does temperature affect this type of measurement?
Assuming no phase transition

I assume it doesnt have a noticeable difference but im not sure

Anonymous

Anonymous Thu 07 Oct 2021 17:46:23 No.13725787 Report

Quoted By:

>>13725779
Idk if all liquid is the same, but cold water is more dense then hot water. You can occasionally find underwater rivers because of this phenomenon.

Anonymous

Anonymous Thu 07 Oct 2021 18:12:24 No.13725884 Report

Quoted By:

>>13725779
Temperature has a measurable impact on density. Have you heard of coefficient of thermal expansion?

Anonymous

Anonymous Fri 08 Oct 2021 08:22:30 No.13728317 Report

Quoted By:

>>13725779
On small stuff temperature does not affect mass but does affect volume and density.
Increase of temperature -> increase of volume
Temperature only affect volume** (increase in energy leads to increase of mass but on it's on these small temperature ranges you don't need to worry.)

Anonymous

Anonymous Fri 08 Oct 2021 08:27:50 No.13728329 Report

Quoted By:

>>13725779
Density varies with temperature.
Mass does not.

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Anonymous Thu 07 Oct 05:09:59 2021 No.13723983 View Reply Original Report

Quoted By: >>13727393 >>13728200

>doctors are sma-

28 posts and 4 images omitted

Anonymous

Anonymous Fri 08 Oct 2021 00:24:02 No.13727115 Report

Quoted By:

>>13724039
>aren't all down syndrome men infertile?
don't tell him that.

Anonymous

Anonymous Fri 08 Oct 2021 02:00:35 No.13727389 Report

Quoted By:

>>13725766
Weird logic

Anonymous

Anonymous Fri 08 Oct 2021 02:03:49 No.13727393 Report

Quoted By:

>>13723983
The dad could just tell everyone he's asian and nobody would doubt it

Anonymous

Anonymous Fri 08 Oct 2021 07:21:49 No.13728200 Report

Quoted By:

>>13723983
>his wife's son
nice try

Anonymous

Anonymous Fri 08 Oct 2021 08:15:44 No.13728304 Report

Quoted By:

>>13725926
You dont care about any of that. You hated jews before israel existed and before Zionism existed. Jews were hated in every historical era for whatever reason was convenient, you just make up reasons. Killing kids you say? Oh like every other government does?

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/dsci/ - Data Science thread

Ice Sun vs Lava Sun 2021 Championships Results

Oxford or Cambridge ?

Discuss interesting studies

Is 90% cases sexual selection is disgenic as hell