TransWikia.com
  1. All Categories
  2. Cross Validated

Cross Validated : Recent Questions and Answers (Page 17)

Find answers to your questions about Cross Validated or help others by answering their Cross Validated questions.

ANOVA complete block design, more units per block than treatments

I would like to design a randomized complete block design experiment (RCBD). Let's say I have 3 treatments and 10 logical groupings of my experimental units (EUs) which are the...

Asked on 12/15/2021

1 answer

How can proper scoring rules optimize the probabilistic prediction compared to improper scoring rules?

I understand the fundamentals in the decision theory about accuracy being an improper scoring rule compared to other proper scoring rules like Brier score & log loss. And, that threshold...

Asked on 12/15/2021

1 answer

Calculating the variance of dice rolls?

I am having trouble understanding how to find the variance for the proportion of times we see a 6 when we roll a dice. The question is below: Suppose...

Asked on 12/15/2021

3 answer

Multiple comparisons for not normal and heterogeneous data

I have a data set that has 3 groups and a single variable. Under normal circumstances, a one-way ANOVA would be used for comparisons between my three groups. HOWEVER I...

Asked on 12/15/2021 by Ana Hernandez

2 answer

R-squared is equal to 81% means what?

I was studying linear regression and got stuck in r-squared. I know how to calculate r-squared like a machine, but I want to understand r-squared in human language. For example,...

Asked on 12/15/2021 by F.C. Akhi

2 answer

Time series forecasting: from ARIMA to LSTM

I am looking for resources on the techniques for time series forecasting. It seems that there are three approaches, listed below in the order of their machine learning-ness (and correspondingly...

Asked on 12/13/2021

3 answer

Is it bad to have error bars constructed with standard deviation that spans to the negative scale while the variable itself shouldn't be negative?

I have a question regarding error bars. I understand that error bars (EBs) constructed with 1 standard deviation (SD) present different things about the population than EBs constructed with 95%...

Asked on 12/13/2021

1 answer

Can I exclude outliers when calculating mean or standard deviation (small-sample)?

I am analyzing my results for a high-school biology paper. My data set consists of 20 groups in total, each having 4 repeats, so each is a small sample. I...

Asked on 12/13/2021

1 answer

Estimating kappa of von Mises distribution

Is there a way to calculate an estimate of the parameter $kappa$ from data for the von Mises distribution? It seems very easy to do in R, ...

Asked on 12/13/2021 by Swiss Army Man

3 answer

Proper way to combine conditional probability distributions of the same random variable conditioned on a discrete variable ? (based on assumptions)

My question is the following. Let's say I have two probability distributions: $f(x|b), g(x|c)$ $b$ and $c$ are discrete events while $x$ is a continuous variable, i.e., when the button...

Asked on 12/13/2021 by BrainPermafrost

3 answer

Ask a Question

Get help from others!

Recent Answers

Recent Questions

Tags

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP