‘factor(x, exclude = NULL)’ applied to a factor without ‘NA’s is a no-operation unless there are unused levels: in that case, a factor with the reduced level set is returned. ‘as.factor’ coerces …

You should do the data processing step outside of the model formula/fitting. When creating the factor from b you can specify the ordering of the levels using factor(b, levels = c(3,1,2,4,5)). Do …

See the Warning section of ?factor: In particular, as.numeric applied to a factor is meaningless, and may happen by implicit coercion. To transform a factor f to approximately its original …

Dec 6, 2018 · The complete conversion of every character variable to factor usually happens when reading in data, e.g., with stringsAsFactors = TRUE, but this is useful when say, you've …

Apr 30, 2015 · How do I customize the tab-to-space conversion factor when using Visual Studio Code? For instance, right now in HTML it appears to produce two spaces per press of TAB, …

Thanks, erasmortg. When I check with class it shows 'factor'. I hope it is indeed a factor then. Do not understand why typeof shows integer. I also just tried str (df) and it shows that x is a factor.

In pandas, how can I convert a column of a DataFrame into dtype object? Or better yet, into a factor? (For those who speak R, in Python, how do I as.factor()?) Also, what's the difference …

Feb 25, 2013 · Is the general rule to use factor when the variable being used to determine the shape/size/colour is discrete, and not continuous? Or is there another use of factor in this …

Jun 14, 2022 · I feel silly asking this, but searching how to retrieve the reference level of a factor results in tons of questions asking how to relevel a factor (such as this one). I couldn't find …

Jan 23, 2014 · Sort data frame column by factor Asked 11 years, 11 months ago Modified 3 years, 6 months ago Viewed 95k times