Getting frequency values from histogram in R

Question

I know how to draw histograms or other frequency/percentage related tables. But now I want to know, how can I get those frequency values in a table to use after the fact.

Answer 1

From ?hist: Value

an object of class "histogram" which is a list with components:

• breaks the n+1 cell boundaries (= breaks if that was a vector). These are the nominal breaks, not with the boundary fuzz.
• counts n integers; for each cell, the number of x[] inside.
• density values f^(x[i]), as estimated density values. If all(diff(breaks) == 1), they are the relative frequencies counts/n and in general satisfy sum[i; f^(x[i]) (b[i+1]-b[i])] = 1, where b[i] = breaks[i].
• intensities same as density. Deprecated, but retained for compatibility.
• mids the n cell midpoints.
• xname a character string with the actual x argument name.
• equidist logical, indicating if the distances between breaks are all the same.

breaks and density provide just about all you need:

histrv<-hist(x)
histrv$breaks
histrv$density