Why use as.factor () instead of just factor () - Stack Overflow
Expanded answer two years later, including the following: What does the manual say? Performance: as.factor > factor when input is a factor Performance: as.factor > factor when …
when to use factor () when plotting with ggplot in R?
2013年2月25日 · 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 …
How to count how many values per level in a given factor?
2014年9月30日 · How to count how many values per level in a given factor? Asked 11 years ago Modified 3 years, 7 months ago Viewed 229k times
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 …
How to reorder factor levels in a tidy way? - Stack Overflow
2017年7月17日 · 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 …
Dynamic factor models with time-varying loadings in python
2024年6月11日 · I'm trying to model dynamic factor model with time-varying loadings in python, specifically, a TVP-FAVAR model in python. I've looked at the statsmodels statspace …
How to convert data.frame column from Factor to numeric
2014年12月17日 · From ?factor: To transform a factor f to approximately its original numeric values, as.numeric(levels(f))[f] is recommended and slightly more efficient than …
Make Frequency Histogram for Factor Variables - Stack Overflow
2014年2月8日 · animalFactor <- as.factor(animals) I now want to create a histogram that shows the frequency of each variable on the y-axis, the name of each factor on the x-axis, and …
r - summarizing counts of a factor with dplyr - Stack Overflow
2014年9月12日 · 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 all data frame character columns to factors
Given a (pre-existing) data frame that has columns of various types, what is the simplest way to convert all its character columns to factors, without affecting any columns of other types? …