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  1. 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 …

  2. 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 numeric values, …

  3. 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 this in a …

  4. 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 data.frame?

  5. 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 lookup time …

  6. 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, but in …

  7. When to use as.numeric and as.factor in R - Stack Overflow

    Feb 17, 2020 · Factors (with as.factor) are variables that have discrete values, which may or may not be ordered. In other areas of science outside R they're often called categorical values. For example …

  8. when to use factor () when plotting with ggplot in R?

    Feb 25, 2013 · ggplot(mtcars) + geom_point(aes(x=mpg, y=drat, colour=factor(gear))) Is the general rule to use factor when the variable being used to determine the shape/size/colour is discrete, and not …

  9. 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.

  10. Pandas - make a column dtype object or Factor - Stack Overflow

    In pandas, how can I convert a column of a DataFrame into dtype object? Or better yet, into a factor? (For those who speak R, in Python, how do I as.factor()?) Also, what's the difference between ...