
Why use as.factor () instead of just factor () - Stack Overflow
But often we just provide character or numeric variables. So internally, these functions need to convert them into factors and probably most of them would use as.factor in the first place (at …
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 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 …
What are the differences between a factor and a vector in R?
Dec 6, 2022 · I would like to know what the differences are between vector and factor, because sometimes I find it confusing when I work in which database.
How to reorder factor levels in a tidy way? - Stack Overflow
Jul 17, 2017 · A couple comments: reordering a factor is modifying a data column. The dplyr command to modify a data column is mutate. All arrange does is re-order rows, this has no …
Filter factor levels in R using dplyr - Stack Overflow
May 5, 2015 · Filter factor levels in R using dplyr Asked 10 years, 1 month ago Modified 10 years, 1 month ago Viewed 66k times
r - summarizing counts of a factor with dplyr - Stack Overflow
Sep 12, 2014 · I want to group a data frame by a column (owner) and output a new data frame that has counts of each type of a factor at each observation. The real data frame is fairly large, …
Subset a dataframe by multiple factor levels - Stack Overflow
How can I avoid using a loop to subset a dataframe based on multiple factor levels? In the following example my desired output is a dataframe. The dataframe should contain the rows of …
How to Find the Branching Factor of a Tree - Stack Overflow
Dec 13, 2017 · The branching factor is one characteristic of a node next to depth and gives a clue how complex a tree gets. For example, for the GO Game on a 19x19 board, the branching …
r - Changing factor levels with dplyr mutate - Stack Overflow
Jan 28, 2015 · From my understanding, the currently accepted answer only changes the order of the factor levels, not the actual labels (i.e., how the levels of the factor are called).