
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 …
What is the significance of load factor in HashMap?
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 …
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 …
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 …
Convert existing dataframe variable to factor in Tidyverse
Feb 26, 2022 · When you have an existing character variable in a dataframe, is there an easy method for converting that variable to a factor using the tidyverse format? For example, the …
How to convert data.frame column from Factor to numeric
Dec 17, 2014 · Closed 10 years ago. I have a data.frame whose class column is Factor. I'd like to convert it to numeric so that I can use correlation matrix.
r - Changing factor levels with dplyr mutate - Stack Overflow
Jan 28, 2015 · 19 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). To …
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 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 command to modify a data column is . All does is re-order rows, this has no effect on the levels of the …
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