data wrangling (1)
- Melting a list of columns - April 27, 2020
ggplot (4)
- How to make plots with factor levels below the x-axis (bench-biology style) - December 27, 2020
- Paired line plots - January 22, 2019
- Interaction plots with ggplot2 - October 15, 2018
- A simple ggplot of some measure against depth - September 10, 2018
stats 101 (30)
- Normal Q-Q plots - what is the robust line and should we prefer it? - October 15, 2020
- What is the range of reasonable P-values given a two standard error difference in means? - March 18, 2018
- Covariate adjustment in randomized experiments - April 12, 2019
- Textbook error 101 -- A low p-value for the full model does not mean that the model is a good predictor of the response - September 11, 2018
- Linear models with a covariate ("ANCOVA") - October 21, 2020
- What is the consequence of normalizing by each case in the control? - May 18, 2020
- A comment on the novel transformation of the response in " Senolytics decrease senescent cells in humans: Preliminary report from a clinical trial of Dasatinib plus Quercetin in individuals with diabetic kidney disease" - October 2, 2019
- "Nested" random factors in mixed (multilevel or hierarchical) models - November 30, 2019
- GLM vs. t-tests vs. non-parametric tests if all we care about is NHST - January 7, 2019
- Analyze the mean (or median) and not the max response - June 25, 2019
- What does cell biology data look like? - June 9, 2019
- What is the consequence of a Shapiro-Wilk test-of-normality filter on Type I error and Power? - August 8, 2019
- On alpha - April 23, 2018
- Analyzing longitudinal data -- a simple pre-post design - March 19, 2020
- Should we be skeptical of a "large" effect size if p > 0.05? - May 28, 2019
- The statistical significance filter - April 17, 2019
- Blocking vs. covariate adjustment - April 27, 2019
- Paired t-test as a special case of linear model and hierarchical (linear mixed) model - June 25, 2019
- Type 3 ANOVA in R -- an easy way to publish wrong tables - October 23, 2020
- What is the bias in the estimation of an effect given an omitted interaction term? - July 31, 2019
- What to write, and not write, in a results section — an ever-growing list - January 31, 2019
- ANCOVA when the covariate is a mediator affected by treatment - July 12, 2020
- GLM vs. t-tests vs. non-parametric tests if all we care about is NHST -- Update - May 30, 2019
- Bootstrap confidence intervals when sample size is really small - June 1, 2020
- What is an interaction? - November 4, 2020
- Is the power to test an interaction effect less than that for a main effect? - July 2, 2019
- Can a linear model reproduce a Welch t-test? - October 27, 2019
- Reporting effects as relative differences...with a confidence interval - November 14, 2018
- How to estimate synergism or antagonism - November 3, 2020
- Estimate of marginal ("main") effects instead of ANOVA for factorial experiments - November 29, 2019