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Gap between original data and forecasting time series

r time-series self-study forecasting

asked 14 hours ago Wallace 35

6

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2

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147

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Exchangeability and joint distribution

self-study bayesian mathematical-statistics joint-distribution exchangeability

modified 18 hours ago kjetil b halvorsen♦ 52.1k

3

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1

answer

490

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doubtful regarding my solution to bonferroni's principle exercise

probability self-study

modified yesterday Community♦ 1

4

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1

answer

77

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Differentiation step in OLS

regression self-study matrix-calculus

modified yesterday gunes 39.6k

53

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4

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30k

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A generalization of the Law of Iterated Expectations

self-study conditional-probability conditional-expectation

modified 2 days ago Antoni Parellada 21.7k

1

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1

answer

544

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Finding the most important factor driving the target in a regression problem

regression self-study correlation feature-selection random-forest

modified Jan 22 at 4:05 Community♦ 1

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1

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13

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How to derive prediction equations for classification in a bayesian setting?

self-study bayesian classification prediction

modified Jan 21 at 18:11 dfcastellanos 358

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1

answer

137

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How to prove the Heteroskedasticiy of a $ u_i $ in a linear regression model

regression self-study least-squares heteroscedasticity

modified Jan 20 at 17:09 Alecos Papadopoulos 50.5k

4

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1

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252

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What is the likelihood function of this random variable (beta distribution parameterizing a Bernoulli distribution)?

self-study maximum-likelihood beta-distribution

modified Jan 20 at 15:01 Community♦ 1

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29

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No apparent relation between two time series data

time-series self-study correlation cross-correlation covid-19

modified Jan 20 at 0:21 kjetil b halvorsen♦ 52.1k

4

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1

answer

55

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$\mathbb{E}(X^2+Y^2)=-2\rho$? $(X,Y)$ is from standard bivariate normal distribution and $Cov(X,Y)=\rho$

self-study exponential-family

modified Jan 18 at 23:04 passerby51 1,278

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25

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Time series difference operator

time-series self-study differences

modified Jan 18 at 20:31 AliG 11

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32

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Are these Markov Chains? $Z_i \sim Bernoulli(p)$

self-study markov-process bernoulli-distribution bernoulli-process

modified Jan 18 at 13:06 rl4y 1

2

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2

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45

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Is this problem calculable only due to the parameter choices?

self-study random-variable expected-value sample teaching

modified Jan 17 at 5:15 whuber♦ 255k

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