/sci/ - Science & Math

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Anonymous Wed 26 Jan 15:11:50 2022 No.14151319 View Reply Original Report

Quoted By: >>14151385 >>14151443

How do I interpret autocorrelation plots for SARIMA?

I have the following autocorrelation plots and want to decide on parameters for SARIMA algorithm.

How do?

I know the seasonality of the dataset (365 since its daily temperature data) but dont know how to go about identifying the other parameters, other than doing a grid search which will take too long

Anonymous

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Anonymous Wed 26 Jan 2022 15:15:13 No.14151328 Report

Quoted By:

thats the autocorellation plot for 365 days lag btw

Anonymous

Anonymous Wed 26 Jan 2022 15:32:04 No.14151385 Report

Quoted By: >>14151443 >>14151510

>>14151319
You dont. Your data isn't stationary. Try diff-ing them.

Anonymous

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Anonymous Wed 26 Jan 2022 15:50:01 No.14151443 Report

Quoted By: >>14151510 >>14151515

>>14151319
What does the S stand for? Sequential? How does SARIMA differ from normal ARIMA models?

And as >>14151385 said, always diff untill you get rid of the unit roots.

Anonymous

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Anonymous Wed 26 Jan 2022 16:18:39 No.14151510 Report

Quoted By:

>>14151443
>>14151385
how is my data not stationary? the data is temperature weather data so i sort of expect it to be stationary, and it definitely looks like it is...

Anonymous

Anonymous Wed 26 Jan 2022 16:19:55 No.14151515 Report

Quoted By:

>>14151443
and the s stands for seasonal.

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Anonymous Mon 24 Jan 23:13:35 2022 No.14144758 View Reply Original Report

Quoted By: >>14149250 >>14151481

How do black holes collide if they're point objects?
Shouldn't any angular momentum result in them infinitely spiraling in towards an infinitesimal point, eventually hitting the speed of light and having infinite relativistic mass?

16 posts omitted

Anonymous

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Anonymous Tue 25 Jan 2022 18:35:49 No.14147994 Report

Quoted By:

Black holes aren't point objects. Singularity is a failure of the math. General relativity needs an extension to deal with such an extreme condition, probably involving a variable metric and speed of light which is tied to the density of the metric. The best guess as to whats in a black hole is some type of neutral matter like neutrons or something made of higher energy quarks like strange quarks. There is obviously still matter inside a black hole that has a net electric charge, angular momentum, and a finite gravitational energy.

Anonymous

Anonymous Wed 26 Jan 2022 00:15:23 No.14149002 Report

Quoted By:

so when two black holes collide with each other do they get naked or do they hump dry?

Anonymous

Anonymous Wed 26 Jan 2022 01:30:05 No.14149249 Report

Quoted By:

How does a point object even have angular momentum? You can't spin a 0 dimensional point.

El Arcón

El Arcón Wed 26 Jan 2022 01:31:51 No.14149250 Report

Quoted By:

>>14144758
this is difficult material

SAGE

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SAGE Wed 26 Jan 2022 16:09:51 No.14151481 Report

Quoted By:

>>14144758
It's a point like object in spacetime, not space. The collision occurs only in space dimensions where black holes can be as big as you want, like supermassive black holes that are 300 times as large as our galaxy. Surrounding the black hole are stars and galaxies that are in the process of being sucked in.

There are components to a black hole. There's the event horizon, the quantum extremal surface, and the surface of it itself. That's how it can have an angular momentum to explain nearby effects.

The singularity spacetime can be avoided. The black hole can generate electrons from particle pairs. It can be a 2D object.

The big principle is everything says it's easier if that spot absorbed light so that it cannot escape. When it collides it can change the gravity of nearby objects if it's easier to do.

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Anonymous Wed 26 Jan 14:21:59 2022 No.14151139 View Reply Original Report

Quoted By: >>14151308 >>14151310 >>14151364

With very limited resources in the last 20 years, he has accomplished more than all the scientists of the world, in the last 30 years. Nowadays scientists are useless eaters who live off the grants they get for the global warming hoax, common flu RNA vaccine, race equality superstition and sucking up to fags and trannies. They can't create anything of value, they are a modern parasitic caste of priests. Elon brutally exposed these conmen and gave us hope for new better society. Mars for the U.S. will be what the U.S. was for Great Britain.

1 post omitted

Anonymous

Anonymous Wed 26 Jan 2022 15:09:33 No.14151308 Report

Quoted By:

>>14151139
wow guys we have launched some cool things into space!!!!

Anonymous

Anonymous Wed 26 Jan 2022 15:10:18 No.14151310 Report

Quoted By:

>>14151139
>conman exposing other conmen

That's not how it works lmao

Anonymous

Anonymous Wed 26 Jan 2022 15:10:32 No.14151312 Report

Quoted By:

>>14151305
>Isn't SpaceX and Tesla subsidized by the US government?

Yes, but they provide goods and services for that.

>Plus paypal money.

If scientists are so smart then why didn't they make their own paypal? They just take money and produce nothing of value.

Anonymous

Anonymous Wed 26 Jan 2022 15:27:56 No.14151364 Report

Quoted By: >>14151407

>>14151139
>Hey guys, I really hate Elon Musk but not everyone agrees with me. What if I make a false flag post gushing over him with lots of exaggerations to annoy everyone so they'll hate Elon Musk too? Gosh, I'm so smart!
You're extremely trans OP, trans in this case meaning transparent but you're probably trans everything else too.

Anonymous

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Anonymous Wed 26 Jan 2022 15:39:02 No.14151407 Report

Quoted By:

>>14151364
No, I really mean it, but at the same time I'm lmaoing at pajeets in dogecoin and /sci/cucks in STEM being mogged by him.

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Anonymous Sun 23 Jan 07:57:56 2022 No.14138069 View Reply Last 50 Original Report

Quoted By: >>14148716

What could be the cause of this bizarre phenomenon?

55 posts and 5 images omitted

Anonymous

Anonymous Tue 25 Jan 2022 22:30:06 No.14148716 Report

Quoted By: >>14149792 >>14149800

>>14138069
>>14138073
>>14138087
>>14138270
all of it is because parasitic worms have been eradicated. humans evolved all through history with parasitic worms which suppress the immune system via chemicals. take the wormpill

Anonymous

Anonymous Wed 26 Jan 2022 04:37:18 No.14149792 Report

Quoted By: >>14149800

>>14148716
Say what???

Anonymous

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Anonymous Wed 26 Jan 2022 04:41:49 No.14149800 Report

Quoted By:

>>14148716
>>14149792
worm hands typed this

Anonymous

Anonymous Wed 26 Jan 2022 04:54:01 No.14149822 Report

Quoted By: >>14151292

What's the bet its related to gut biome?

Anonymous

Anonymous Wed 26 Jan 2022 15:03:05 No.14151292 Report

Quoted By:

>>14149822
very likely

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Anonymous Wed 26 Jan 13:48:43 2022 No.14151059 View Reply Original Report

Quoted By: >>14151187 >>14151264

Why don't we build a EMALS but way the fuck longer and bigger and use it launch SSTOs. We can get a 100 ton SSTO to mach 2 then launch it into the air.

1 post omitted

Anonymous

Anonymous Wed 26 Jan 2022 14:06:23 No.14151082 Report

Quoted By:

It would be the single most complex engineering project attempted on earth and all westoid nations are not interested maybe china could build such a thing.

Anonymous

Anonymous Wed 26 Jan 2022 14:19:08 No.14151125 Report

Quoted By: >>14151187

https://en.wikipedia.org/wiki/Launch_loop
Is better

Anonymous

Anonymous Wed 26 Jan 2022 14:30:53 No.14151187 Report

Quoted By:

>>14151059
because we don't really need to launch all that much crap into space and building a long EMALS would be expensive.
>>14151125
the launch loop is unstable and we haven't found a way to stabilize it

Anonymous

Anonymous Wed 26 Jan 2022 14:56:09 No.14151264 Report

Quoted By:

>>14151059
The atmosphere is 3 times as dense on sea level than, for example 30k feet, which means that going mach 2 at sea level is equivalent to going mach 6 at altitude. And even 30k ft is an arbitrarily low altitude - most supersonic jets that do mach 2 do it like at twice the height.

Anonymous

Anonymous Wed 26 Jan 2022 14:57:55 No.14151273 Report

Quoted By:

>>14151073
>insanely expensive like 200 billion dollars
Hey, that's still cheaper than Apollo when adjusted for inflation. I gotta assume it would be more.

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i am the one who asks Wed 26 Jan 11:43:43 2022 No.14150725 View Reply Original Report

Quoted By: >>14150788 >>14151235

what else cosmic elements can affect earth climate than solar winds and overall radiation

Anonymous

Anonymous Wed 26 Jan 2022 11:55:08 No.14150750 Report

Quoted By: >>14150792

Gravity? Every element is made out of radiation or gravity. And particle beams maybe.

Anonymous

Anonymous Wed 26 Jan 2022 12:11:21 No.14150788 Report

Quoted By:

>>14150725
Meteor impacts
Debris from a highly destructive event on Venus or Mercury blocking the sunlight
Gravitational disruptions from a closely passing star or black hole
The Solar System passing through an extremely dense nebula cloud

Anonymous

Anonymous Wed 26 Jan 2022 12:12:49 No.14150792 Report

Quoted By:

>>14150750
>Every element is made out of radiation or gravity
The absolute state of /sci/

Anonymous

Anonymous Wed 26 Jan 2022 14:45:21 No.14151235 Report

Quoted By:

>>14150725
momentum of objects in space

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can't find study

Anonymous Wed 26 Jan 13:45:22 2022 No.14151046 View Reply Original Report

Quoted By: >>14151181 >>14151203

Some years ago I heard about a study where they mixed children with good behavior and children from correctional institutions in a summer camp with the hope that the bad behaving kids will change their behavior. Long story short the exact opposite happened, has any one come across this study, can you tell me it's name?

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vax

Anonymous Sat 22 Jan 18:18:39 2022 No.14135921 View Reply Original Report

Quoted By:

it doesn't work you stupid fucks
https://www.researchgate.net/publication/355581860_COVID_vaccination_and_age-stratified_all-cause_mortality_risk
>"Results from fitted regression slopes (p<0.05 FDR corrected) suggest a US national average VFR of 0.04% and higher VFR with age (VFR=0.004% in ages 0-17 increasing to 0.06% in ages >75 years), and 146K to 187K vaccine-associated US deaths between February and August, 2021"

32 posts and 7 images omitted

Viruses don't exist

Viruses don't exist Tue 25 Jan 2022 23:08:22 No.14148810 Report

Quoted By:

>>14146901
you can start coping already, there's no covid

Anonymous

Anonymous Wed 26 Jan 2022 12:51:21 No.14150897 Report

Quoted By:

>>14137086
>>14136527
deranged cattle

Anonymous

Anonymous Wed 26 Jan 2022 12:54:26 No.14150903 Report

Quoted By:

>>14145518
are you gonna post buzzfeed the next time

Anonymous

Anonymous Wed 26 Jan 2022 13:33:21 No.14151013 Report

Quoted By:

>>14145526
>researchgate.net

Viruses don't exist

Viruses don't exist Wed 26 Jan 2022 14:30:37 No.14151184 Report

Quoted By:

>>14146907
he is right about relation between journalists and trees

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Anonymous Wed 26 Jan 12:35:33 2022 No.14150853 View Reply Original Report

Quoted By: >>14150933 >>14151157

Why is everybody but me so stupid?

5 posts omitted

Anonymous

Anonymous Wed 26 Jan 2022 13:06:30 No.14150933 Report

Quoted By:

>>14150853
Nothing is distributed as fairly as the mind,
everybody is convinced to have enough of it.

Anonymous

Anonymous Wed 26 Jan 2022 13:09:20 No.14150939 Report

Quoted By: >>14150984

>>14150873
you could've also attacked the word "tangible" in >>14150868
it reeks of materialism and low iq, intangible accomplishments are more valuable because they can't be taken away like a tangible degree or title can.
>i wield tremendous influence because of my academic degree
is less powerful than
>i wield tremendous influence

Anonymous

Anonymous Wed 26 Jan 2022 13:22:18 No.14150984 Report

Quoted By:

>>14150939
Nigga please. I didn't say "list degrees". It's possible to accomplish things without one.

Peak midwit is believing you're smarter than everyone without having any external validation of your intelligence.

Anonymous

Anonymous Wed 26 Jan 2022 13:22:57 No.14150988 Report

Quoted By:

>>14150873
>brain let
do you also spell it man let? fucking retard

Viruses don't exist

Viruses don't exist Wed 26 Jan 2022 14:26:05 No.14151157 Report

Quoted By:

>>14150853
because afraid of currently illegal drugs

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Anonymous Mon 24 Jan 21:11:57 2022 No.14144394 View Reply Original Report

Quoted By: >>14149080 >>14150944 >>14150950

Hypothetically speaking, what would be the most probable way of mankind achieving immortality in the future? How far are we from this goal and why isn’t anyone actively trying to realise this? Could the cryogenics meme offer any hope for those of us living now?

16 posts and 2 images omitted

Anonymous

Anonymous Wed 26 Jan 2022 00:00:38 No.14148960 Report

Quoted By: >>14148975

>>14144436
Is that photo real?

Anonymous

Anonymous Wed 26 Jan 2022 00:04:27 No.14148975 Report

Quoted By:

>>14148960
No, but it is photoreal.

Anonymous

Anonymous Wed 26 Jan 2022 00:40:47 No.14149080 Report

Quoted By:

>>14144394
Porting your conscience to a computer with real time data replication between thousands of millions of clusters.

Anonymous

Anonymous Wed 26 Jan 2022 13:10:49 No.14150944 Report

Quoted By:

>>14144394
Lab grown organs and perfected organ replacement surgery
Then dumping a lot of money into brain regeneration and dementia research

Anonymous

Anonymous Wed 26 Jan 2022 13:12:34 No.14150950 Report

Quoted By:

>>14144394
You're dying like everyone else. In contrast to some of your ancestors, though, you will die a slave, never having lived in the first place, but at least you will rot away in comfort.

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