‘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 its argument to …

Feb 22, 2018 · A load factor=1 hashmap with number of entries=capacity will statistically have significant amount of collisions (=when multiple keys are producing the same hash). When collision occurs the …

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 read data in …

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 this in a …

Oct 6, 2021 · Synology NAS: Trying to login after 2-factor authentication results in "wrong verification code. please try again" Asked 4 years, 3 months ago Modified 14 days ago Viewed 20k times

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, but in …

addNA modifies a factor by turning NA into an extra level (so that NA values are counted in tables, for instance). So another reason this is nice is because if you already have a factor f, you can use …

Mar 30, 2013 · 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 context? It …

How can I omit the NA level of a factor from a legend? From the nycflights13 database, I created a new continuous variable called tot_delay, and then created a factor called delay_class with 4 lev...