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Calculating Conditional Expectation of an AR(1) Process

For an AR(1) process, x\_t = phi\*x\_{t-1} + w\_t where w\_t \~ iid N(0,sigma\^2) is it possible to calculate the conditional expectation E(x\_t | x\_{t-1},... x\_1)?

angelicalavito answered 26 minutes ago

by angelicalavito

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One-way ANOVA on three groups

I have three groups that will undergo a pre-intervention and post-intervention test to determine each groups mean score for the pre-test and post-test. After this, I will...

recruit_agent answered 26 minutes ago

by recruit_agent

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Is Welch an omnibus test?

Been trying to figure this out, but can't find the answer in my Textbook or online. So I'm wondering, is Welch Robust Test of Equality of Means an omnibus test?

thusi_c answered 27 minutes ago

by thusi_c

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How to model a Poisson noise?

Hi, From my knowledge, the Poisson noise is not an additive noise like the classic Gaussian noise, which I used to work with. After doing research on Internet, I didn't f...

hcphtx answered 27 minutes ago

by hcphtx

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Calculating medians of grouped data (multiple groups within each other)?

Hi all, I was wondering if this is a possibility to aggregate the dataset in a smaller format:  \- I have a dataset of individual people and their test scores. th...

ibrahimeren asked 27 minutes ago

by ibrahimeren

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Correspondance analysis question

Do I am enrolled in correspondence analysis class and they are using a French software called coheris spad. I can’t find any tutorials on the internet. Do you know any ...

bigdimsumdolly asked 27 minutes ago

by bigdimsumdolly

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How do I find a standard deviation for a single sample space?

Looking to make sense of some research and we did one sample space with an average rate of occurance. How do we find the standard deviation for this sample?

courtbauer asked 27 minutes ago

by courtbauer

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categories vs. absolute numbers

I'm reading a paper that examines an educational intervention's ability to promote a certain activity. The authors had participants record the number of activities prior ...

kyrah answered 27 minutes ago

by kyrah

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gamblers ruin problem but with additional conditions

im so stuck with this qn and even after looking at the working I still don't get how to derive the answer! Any help would be greatly appreciated \~\~ find the probability...

erinreportsTV asked 27 minutes ago

by erinreportsTV

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Method To Use

Hi! I am new here. Can somebody help me with what statistical approach I could use if my goal were to **estimate the necessary number of vaccinated individuals to lower t...

eRaEternity answered 27 minutes ago

by eRaEternity

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[Q] Question about Chi-square test analysis

Hello statistics experts, I have 3 columns of data. Column 1: concentrations of the drug (nominal) Column 2: number of cases with the effect "A" Column 3: number of cases...

RacingPostSport asked 27 minutes ago

by RacingPostSport

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Advice on statistical test to measure the relationship between an ordinal and continuous variable

Hi Everyone. I've been at this for days, so hoping someone might have some advice to help me out? I'm using SPSS for the statistics. I've got a set of data I need to chec...

GatorsEquipment answered 27 minutes ago

by GatorsEquipment

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[D] If I have to choose between a RTX 3090 24GB and a RTX 4090 RTX for Stable Diffusion, MidJourney and other AI art engines that exist possibly in the future... is the RTX 4090 going to be THAT much greater and worth buying?

Any pros and cons? (*besides price*, because I know the 3090 is much cheaper). I play games also, but honestly both these cards would blow the socks of my current card. (...

DavidRichterNJ answered 29 minutes ago

by DavidRichterNJ

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6 answers

[D] Podcasts

Are there any good podcasts that talk about AI-related topics such as recent advances, how a specific architecture works, talks about what we can expect to see in the fut...

AstraZenecaFR answered 33 minutes ago

by AstraZenecaFR

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[discussion] Is the future of ML development in low code tools?

Low code ML tools offer a bigger population within an organization to take part in ML development, while allowing flexible customization for the technical user. Is this ...

NafessaWilliams answered 33 minutes ago

by NafessaWilliams

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1 answer

[D] Question on Gradient Descent (and valid error measures)

So my understanding of gradient descent is that it requires the derivative of the error function to approach 0 as the error value itself also approaches 0 (i.e. the mini...

AndrewLegon answered 34 minutes ago

by AndrewLegon

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[D] What is left after machine learning takes over creative endeavors?

It has been shown that machine learning can produce creative works in both text, visual and audio, and they are indeed improving at a great pace. For example, it did not ...

kristupa answered 34 minutes ago

by kristupa

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[R] Google Colab alternative

So I'm doing a thesis paper using BERT and FAISS. Google Colab [haven't tried pro yet] works fine with datasets that are less than 100mb using GPU runtime. But when the d...

GolfKohler answered 34 minutes ago

by GolfKohler

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Can anyone point me to an example implementation of the technique used in this paper?

gberas answered 34 minutes ago

by gberas

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[D] How hard is it to join a lab during Master's?

I am about to take part in the upcoming admissions for a master's programme in ML/NLP/CL in the EU. I have received many tips on how to choose a Uni/programme with the go...

MimiHyde asked 34 minutes ago

by MimiHyde

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