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Bartlett’s formula for variance



The Next CEO of Stack OverflowVariance function is variance stabilisingVariance of turning point - Time SeriesHow to derive Population Variance formula?Variance of AR(2) processFormula for a “Fairness Variance”Rewriting Sample Variance FormulaMA process conditional varianceTime-varying variance confidence interval using variance stabilizing transformationUnderstanding the formula for varianceAlternate formula for sample variance










0












$begingroup$


I have an ACF plot done on python where I’ve got a shaded blue region which is of a curved shape. I am trying to explain why this is the case and so far I’ve been able to establish that it’s because the variance of the autocorrelation function is estimated by Bartlett’s formula.



I know there’s also a Bartlett’s test which is a test for equal variance but is this related to my problem?



Many thanks in advance!










share|cite|improve this question











$endgroup$







  • 1




    $begingroup$
    Just in case this question gets no response, one might try the statistics site.
    $endgroup$
    – Lee David Chung Lin
    Mar 19 at 1:42















0












$begingroup$


I have an ACF plot done on python where I’ve got a shaded blue region which is of a curved shape. I am trying to explain why this is the case and so far I’ve been able to establish that it’s because the variance of the autocorrelation function is estimated by Bartlett’s formula.



I know there’s also a Bartlett’s test which is a test for equal variance but is this related to my problem?



Many thanks in advance!










share|cite|improve this question











$endgroup$







  • 1




    $begingroup$
    Just in case this question gets no response, one might try the statistics site.
    $endgroup$
    – Lee David Chung Lin
    Mar 19 at 1:42













0












0








0





$begingroup$


I have an ACF plot done on python where I’ve got a shaded blue region which is of a curved shape. I am trying to explain why this is the case and so far I’ve been able to establish that it’s because the variance of the autocorrelation function is estimated by Bartlett’s formula.



I know there’s also a Bartlett’s test which is a test for equal variance but is this related to my problem?



Many thanks in advance!










share|cite|improve this question











$endgroup$




I have an ACF plot done on python where I’ve got a shaded blue region which is of a curved shape. I am trying to explain why this is the case and so far I’ve been able to establish that it’s because the variance of the autocorrelation function is estimated by Bartlett’s formula.



I know there’s also a Bartlett’s test which is a test for equal variance but is this related to my problem?



Many thanks in advance!







statistics time-series






share|cite|improve this question















share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Mar 18 at 19:21









StubbornAtom

6,30831440




6,30831440










asked Mar 18 at 18:47









MathsstudentMathsstudent

1




1







  • 1




    $begingroup$
    Just in case this question gets no response, one might try the statistics site.
    $endgroup$
    – Lee David Chung Lin
    Mar 19 at 1:42












  • 1




    $begingroup$
    Just in case this question gets no response, one might try the statistics site.
    $endgroup$
    – Lee David Chung Lin
    Mar 19 at 1:42







1




1




$begingroup$
Just in case this question gets no response, one might try the statistics site.
$endgroup$
– Lee David Chung Lin
Mar 19 at 1:42




$begingroup$
Just in case this question gets no response, one might try the statistics site.
$endgroup$
– Lee David Chung Lin
Mar 19 at 1:42










0






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