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Bookmark or Share- r - How to convert a factor to integer\numeric without loss of ...But annoyingly, there is nothing to handle the factor -> numeric conversion. As an extension of Joshua Ulrich's answer, I would suggest to overcome this omission with the definition of your own idiomatic function: as.double.factor
- r - 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 its argument to a factor.
- ggplot2: change order of display of a factor variable on an axisThe important point here is the order of the factor levels. The order in the levels is also the order in the plot. You can use rev to reverse the order of the levels like this (note that I just reorder one column in a data.frame):
- when to use factor () when plotting with ggplot in R?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 context? It seems like the first command can be made like the second with the right legend, even without factor . thanks.
- r - How do you specifically order ggplot2 x axis instead of ...@DirkCalloway, this behavior makes sense if you think about how factors work in R. A factor is a vector of integers, each of which is associated with a character 'label'.
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