Why use as.factor () instead of just factor () - Stack Overflow
‘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 …
when to use factor () when plotting with ggplot in R?
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 …
factor () command in R is for categorical variables with hierarchy ...
Oct 19, 2012 · Various factor-handling R functions (the "methods and model-fitting functions" of the second part of that quote) will then use is.ordered() to test for the presence of that …
How to force R to use a specified factor level as reference in a ...
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 …
When to use as.numeric and as.factor in R - Stack Overflow
Feb 17, 2020 · Factors (with as.factor) are variables that have discrete values, which may or may not be ordered. In other areas of science outside R they're often called categorical values. For …
Convert data.frame column format from character to factor
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 …
R: ggplot2 facets will not obey factor levels - Stack Overflow
Jan 10, 2024 · I found many solutions that add factors within plot creation, but I want to factor my data beforehand so that the plot code stays as simple as possible. Can anyone explain why …
r - How to convert a factor to integer\numeric without loss of ...
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 …
r - Re-ordering factor levels in data frame - Stack Overflow
Aug 24, 2013 · Re-ordering factor levels in data frame [duplicate] Asked 12 years, 3 months ago Modified 4 years, 3 months ago Viewed 256k times
What is the significance of load factor in HashMap?
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 …