Search for tag: "confidence"

Statistics in COVID-19: Katie Allison (COVID Public Health Directorate)

Katie Allison (COVID Public Health Directorate): COVID-19 Infection Survey (CIS) in Scotland. The CfS Research Day gathered together experts in the analysis of Covid-19 data to discuss current…

From  Belle Taylor on March 1st, 2021 0 likes 2 plays 0  

dapr1 - hypothesis testing and CIs (a)

Part A

From  Umberto Noe on January 31st, 2021 0 likes 209 plays 0  

FDS-S2-03-1-3 Large sample theory of A/B testing

We work through how to apply large-sample theory to A/B testing.

From  David Sterratt on January 28th, 2021 0 likes 121 plays 0  

FDS-S2-03-1-2 Increasing certainty in A/B testing

We look at how to obtain more precise and estimates in A/B testing - and how to avoid some pitfalls.

From  David Sterratt on January 28th, 2021 0 likes 122 plays 0  

FDS-S2-03-1-1 principle of A/B testing

We explain the principle of A/B testing, and how to derive confidence intervals for the difference in population proportions using the bootstrap.

From  David Sterratt on January 28th, 2021 0 likes 132 plays 0  

Data storyboarding: confidence intervals

Data storyboarding: confidence intervals By Glenna Nightingale and Jacqueline Aim. Copyright © University of Edinburgh 2020 CC BY-NC-SA This work is licensed under a Creative Commons…

From  Jacqueline Aim on January 28th, 2021 0 likes 29 plays 0  

FDS-S2-02-2-3 Multiple logistic regression and confidence and intervals

We extend logistic regression to multiple independent variables, and show how we can use the boostrap to estimate confidence intervals for coefficients, and to test hypotheses.

From  David Sterratt on January 20th, 2021 0 likes 139 plays 0  

FDS-S2-01-2-9 Estimating confidence intervals for means of small samples

We'll look at means from small samples, where the normal approximation of the sampling distribution of the mean breaks down.

From  David Sterratt on January 15th, 2021 0 likes 117 plays 0  

FDS-S2-01-2-8 Interpretation of confidence intervals

We'll consider two aspects of the interpretation of confidence intervals

From  David Sterratt on January 15th, 2021 0 likes 119 plays 0  

FDS-S2-01-2-7 Bootstrap confidence intervals

We introduce the bootstrap method of estimating confidence intervals

From  David Sterratt on January 15th, 2021 0 likes 134 plays 0  

FDS-S2-01-2-6 Estimating the confidence interval of means of large samples

We'll derive confidence intervals for the mean of large samples, when we can assume the sampling distribution of the mean is normal.

From  David Sterratt on January 15th, 2021 0 likes 139 plays 0  

FDS-S2-01-2-5 Definition of confidence intervals

We give a formal definition of confidence intervals, and show how the random interval can be converted to a random variable

From  David Sterratt on January 15th, 2021 0 likes 138 plays 0