How many samples in a sequence do I need to evaluate to determine whether the Pearson correlation will be below a certain threshold?How many samples do I need to estimate the click-through rate confidently?How should I measure the “fit” between two sequences?How can I simply prove that the pearson correlation coefficient is between -1 and 1?Correlation formula for discrete phenomena in timeTwo Top Economist getting 9/10 correctMaths concept for salient point in graph dataIs this an improper method of averaging grades? If so, what is a simple mathematical way of explaining it?How many samples of a sequence do I need to determine whether there is a pattern?How does the Pearson correlation coefficient change under rotationsInfer association from scatter plot
Will it be accepted, if there is no ''Main Character" stereotype?
How do I keep an essay about "feeling flat" from feeling flat?
Is there any easy technique written in Bhagavad GITA to control lust?
Teaching indefinite integrals that require special-casing
Modify casing of marked letters
How to be diplomatic in refusing to write code that breaches the privacy of our users
Do I need a multiple entry visa for a trip UK -> Sweden -> UK?
What is the opposite of 'gravitas'?
Can a monster with multiattack use this ability if they are missing a limb?
Can criminal fraud exist without damages?
Is exact Kanji stroke length important?
What is difference between behavior and behaviour
when is out of tune ok?
Your magic is very sketchy
Do there exist finite commutative rings with identity that are not Bézout rings?
What would be the benefits of having both a state and local currencies?
How can I use the arrow sign in my bash prompt?
The plural of 'stomach"
Lay out the Carpet
Time travel short story where a man arrives in the late 19th century in a time machine and then sends the machine back into the past
Hostile work environment after whistle-blowing on coworker and our boss. What do I do?
Is there a good way to store credentials outside of a password manager?
Is this Spell Mimic feat balanced?
I'm in charge of equipment buying but no one's ever happy with what I choose. How to fix this?
How many samples in a sequence do I need to evaluate to determine whether the Pearson correlation will be below a certain threshold?
How many samples do I need to estimate the click-through rate confidently?How should I measure the “fit” between two sequences?How can I simply prove that the pearson correlation coefficient is between -1 and 1?Correlation formula for discrete phenomena in timeTwo Top Economist getting 9/10 correctMaths concept for salient point in graph dataIs this an improper method of averaging grades? If so, what is a simple mathematical way of explaining it?How many samples of a sequence do I need to determine whether there is a pattern?How does the Pearson correlation coefficient change under rotationsInfer association from scatter plot
$begingroup$
I have two sequences $A$ and $B$ of equivalent length containing arbitrary numbers. I also have an arbitrary threshold value $T$ somewhere between -1 and 1, and know the means of both sequences.
Now I'm calculating the Pearson correlation coefficient of these two sequences, and am interested only in whether the computed correlation is lower than the threshold $T$.
If I understand correctly how the Pearson correlation coefficient is computed, if the correlation in a sequence starts off "badly", it has trouble recovering to a high correlation later on.
So what I'm wondering about is whether there exists some kind of condition I could check for that allows me to determine whether the final computed correlation will end up below my threshold $T$, without having to look at all values in the two sequences?
statistics correlation
$endgroup$
add a comment |
$begingroup$
I have two sequences $A$ and $B$ of equivalent length containing arbitrary numbers. I also have an arbitrary threshold value $T$ somewhere between -1 and 1, and know the means of both sequences.
Now I'm calculating the Pearson correlation coefficient of these two sequences, and am interested only in whether the computed correlation is lower than the threshold $T$.
If I understand correctly how the Pearson correlation coefficient is computed, if the correlation in a sequence starts off "badly", it has trouble recovering to a high correlation later on.
So what I'm wondering about is whether there exists some kind of condition I could check for that allows me to determine whether the final computed correlation will end up below my threshold $T$, without having to look at all values in the two sequences?
statistics correlation
$endgroup$
add a comment |
$begingroup$
I have two sequences $A$ and $B$ of equivalent length containing arbitrary numbers. I also have an arbitrary threshold value $T$ somewhere between -1 and 1, and know the means of both sequences.
Now I'm calculating the Pearson correlation coefficient of these two sequences, and am interested only in whether the computed correlation is lower than the threshold $T$.
If I understand correctly how the Pearson correlation coefficient is computed, if the correlation in a sequence starts off "badly", it has trouble recovering to a high correlation later on.
So what I'm wondering about is whether there exists some kind of condition I could check for that allows me to determine whether the final computed correlation will end up below my threshold $T$, without having to look at all values in the two sequences?
statistics correlation
$endgroup$
I have two sequences $A$ and $B$ of equivalent length containing arbitrary numbers. I also have an arbitrary threshold value $T$ somewhere between -1 and 1, and know the means of both sequences.
Now I'm calculating the Pearson correlation coefficient of these two sequences, and am interested only in whether the computed correlation is lower than the threshold $T$.
If I understand correctly how the Pearson correlation coefficient is computed, if the correlation in a sequence starts off "badly", it has trouble recovering to a high correlation later on.
So what I'm wondering about is whether there exists some kind of condition I could check for that allows me to determine whether the final computed correlation will end up below my threshold $T$, without having to look at all values in the two sequences?
statistics correlation
statistics correlation
edited Mar 17 at 14:18
Bartvbl
asked Mar 17 at 13:17
BartvblBartvbl
1206
1206
add a comment |
add a comment |
0
active
oldest
votes
Your Answer
StackExchange.ifUsing("editor", function ()
return StackExchange.using("mathjaxEditing", function ()
StackExchange.MarkdownEditor.creationCallbacks.add(function (editor, postfix)
StackExchange.mathjaxEditing.prepareWmdForMathJax(editor, postfix, [["$", "$"], ["\\(","\\)"]]);
);
);
, "mathjax-editing");
StackExchange.ready(function()
var channelOptions =
tags: "".split(" "),
id: "69"
;
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function()
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled)
StackExchange.using("snippets", function()
createEditor();
);
else
createEditor();
);
function createEditor()
StackExchange.prepareEditor(
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader:
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
,
noCode: true, onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
);
);
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fmath.stackexchange.com%2fquestions%2f3151534%2fhow-many-samples-in-a-sequence-do-i-need-to-evaluate-to-determine-whether-the-pe%23new-answer', 'question_page');
);
Post as a guest
Required, but never shown
0
active
oldest
votes
0
active
oldest
votes
active
oldest
votes
active
oldest
votes
Thanks for contributing an answer to Mathematics Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
Use MathJax to format equations. MathJax reference.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fmath.stackexchange.com%2fquestions%2f3151534%2fhow-many-samples-in-a-sequence-do-i-need-to-evaluate-to-determine-whether-the-pe%23new-answer', 'question_page');
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown