Cross Validated Questions, Problems & Solutions : TransWikia.com ~ Page 63

what does within 3% of the true proportion mean?

I was studying statistics and encountered this survey.We are running a survey to determine the 3rd graders’ favorite ice cream flavor. There are 340 third graders at our local elementary...

Asked on 01/21/2021 by atilla

0 answer

What action to do after visualizing box plot of variables of a dataset

I have a dataset that contains 23 features, these features model the web traffic of two protocoles. Some features are extracted and the other are statistically calculated features. I want...

Asked on 01/21/2021 by alajeb

1 answer

How to evaluate if year-over-year data is correlated and predictive

I'm working with data that is separated by year and classification and want to test if the data is correlated over each year. Essentially, I want to determine if the...

Asked on 01/21/2021 by BasketballAutomation

1 answer

Does estimated standard error of the mean says something about the population mean?

The "normal" standard error of the mean (SEM) is the population standard deviation divided by the square root of the sample size. Wikipedia states that the SEM is an estimate...

Asked on 01/21/2021 by Funkwecker

1 answer

Is the maximum entropy probability distribution only determined through comparison?

The maximum entropy probability distribution has entropy at least as great as that of all other members of a specified class of probability distributions (pdf's). Does that mean that the...

Asked on 01/21/2021

0 answer

Regression when $X$ is random and unobservable

I am trying to fit a curve to empirical data where I know that uncertainty is in the predictors ($X$) (there could be also an uncertainty in $Y$,...

Asked on 01/20/2021 by Igor F.

0 answer

How to use a GAM to predict the probability in binomial data as a function of predictors

I'd like to predict the probability of success as an unknown function of predictor variables. For example, consider the following fake data#simulate fake datan=100x1 = runif(n)/2x2 = runif(n)/2ptrue =...

Asked on 01/19/2021 by WetlabStudent

1 answer

How to decode/understand the math behind ACF and PACF?

For the past month I have been trying to understand the math behind the autocorrelation function and partial autocorrelation function for time-series project I have been working on. However, I...

Asked on 01/19/2021 by raghavsikaria

1 answer

Should I use a random effects model or a sandwich estimator to adjust for inter site variability?

I am looking at the association between community (as defined by zip code of a health clinic) and hospitalization rate. I am afraid that if I used a random...

Asked on 01/18/2021 by Ladan Gol

0 answer

A/B Testing - Repeated Sampling

I am doing an internship in a marketing firm where they do a lot of A/B testing. My question/concern was that it seems that given a population, they only "split"...

Asked on 01/18/2021 by Thomas Moore

0 answer

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