is.numeric(x) is not TRUE when all data is numeric

[edita]

Hi all!

I keep getting the error "is.numeric(x) is not TRUE" even though I performed a class check on my data and it is numeric. I am trying to perform a shapiro test to check for normality. My data has 5 columns: "id" (participant id), "realorsham" (my group column - contains 2 groups), "CR1", "CR15", and "CR16" (scores from questionnaire taken on 3 different days). All of my data is numeric but whenever I use the shapiro.test function I get that error. Any advice? I tried converting the data to be numeric and used the sapply function to test for class, which all came back numeric for the columns I was testing. Can anyone give me any insight?

TIA!

[nirgrahamuk]

You are asking a lot for us to critique code which we cant see ...

FAQ: How to do a minimal reproducible example ( reprex ) for beginners

A minimal reproducible example consists of the following items: A minimal dataset, necessary to reproduce the issue The minimal runnable code necessary to reproduce the issue, which can be run on the given dataset, and including the necessary information on the used packages. Let's quickly go over each one of these with examples: Minimal Dataset (Sample Data) You need to provide a data frame that is small enough to be (reasonably) pasted on a post, but big enough to reproduce your issue. Let's say, as an example, that you are working with the iris data frame head(iris) #> Sepal.Length Sepal.Width Petal.Length Petal.Width Species #> 1 5.1 3.5 1.4 0.…

[edita]

Good point! I'll follow that example and make a new post or add on to this post. Thanks! @nirgrahamuk