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 …
r - list all factor levels of a data.frame - Stack Overflow
Dec 28, 2014 · with dplyr::glimpse(data) I get more values, but no infos about number/values of factor-levels. Is there an automatic way to get all level informations of all factor vars in a …
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 …
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, 2 months ago Viewed 255k 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, …
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 …
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 …
How do I convert certain columns of a data frame to become …
May 10, 2018 · Using a factor will require that all values are mapped to IDs behind the scenes, so any print of your data.frame requires a lookup on those levels -- an extra step which takes …
r - Variance Inflation Factor in Python - Stack Overflow
I'm trying to calculate the variance inflation factor (VIF) for each column in a simple dataset in python: a b c d 1 2 4 4 1 2 6 3 2 3 7 4 3 2 8 5 4 1 9 4 I have ...
How can I customize the tab-to-space conversion factor in VS Code?
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, …