Jan 29, 2020 · I am trying to aggregate a grand mean from mean scores for students. Here is how my dataset looks like: id <- c(1,1,1, 2,2,2, 3,3, 4,4,4) mean <- c(5,5,5, 6,6,6 ...

May 16, 2020 · How to calculate grand mean and standard deviation for the grouped table? Asked 5 years, 5 months ago Modified 5 years, 5 months ago Viewed 1k times

Jul 7, 2015 · The grand mean seems fairly straight-forward (average the means?) but the grand standard error is less intuitive for me. How can I create a function to calculate the grand SE to …

Feb 15, 2015 · I'm trying to calculate the grand mean of a subset of observations (e.g., observation 20 to observation 50) in the data step. In this calculation, I also want to skip over …

Nov 6, 2018 · I'm trying to compute a grand mean in R. lets say I had some data like this mean1 mean2 fire1 fire2 1 1 2 3 2 2 3 4 3 3 4 5 If I wanted to find the grand mean of that dataset is …

Apr 13, 2021 · I am trying to write a function that will estimate the grand mean centered variables by groups for all the variables in the dataset. My code to attempt that is below:

Feb 10, 2012 · The grand mean is obviously simple to calculate, but R has a handy utility function, weighted.mean (). Does a similar function exist for combining standard deviations?

When I've grouped my data by certain attributes, I want to add a "grand total" line that gives a baseline of comparison. Let's group mtcars by cylinders and carburetors, for example: …

Nov 19, 2019 · I want to exclude the entire data set of a participant, when the overall mean RT of said participant is more than 2 SDs away from the grand mean, regardless of trial or factor. …

Oct 10, 2017 · I'm practicing dplyr package using famous dataset from ggplot2, 'diamonds' data. I am trying to calculate mean 'price' of diamonds grouped by variable 'cut'. My code is as …