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How can I make a histogram on Rstudio with the frequency on the y-axis and on the x-axis non-uniform predefined intervals, for example: 0-50, 50-150, 150-500, 500-2000.
I have a hypothetical date.frame as I would not like to share my original data.
dados <- c(1,1.2,40,1000,36.66,400.55,100,99,2,1500,333.45,25,125.66,141,5,87,123.2,61,93,85,40,205,208.9).
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Basically, just use the argument breaks custom. For example, using R pattern:
dados <- c(1, 1.2, 40, 1000, 36.66, 400.55, 100, 99, 2, 1500, 333.45,
25, 125.66, 141, 5, 87, 123.2, 61, 93, 85, 40, 205, 208.9)
hist(dados, breaks = c(0, 50, 150, 500, 2000), freq = TRUE)
Using ggplot2:
library(ggplot2)
dados <- as.data.frame(dados)
ggplot(dados, aes(x = dados)) +
geom_histogram(breaks = c(0, 50, 150, 500, 2000))
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your idea was pretty good, but how do I get it to stay with bars of equal size but custom interval?
– wesleysc352
What do you mean? What is "size"? Is the width of the bar? And if it’s the width of the bar, how could they look the same if the ranges have different sizes?
– Marcus Nunes
This as the bars would be equal considering that the intervals are equal.
– wesleysc352
This comment makes no sense. I still don’t understand how my chart could be different considering what was asked in the original question.
– Marcus Nunes
is that I thought I could make a chart where the bars would be the same width, but with different x-axis intervals. It would be possible?
– wesleysc352
It’s possible, but it won’t be a histogram. Histograms are frequency distribution graphs, the area (height and width) should be proportional to the data.
– Carlos Eduardo Lagosta
understood Carlos, how I could do this, because I would like to know the frequency that a certain value is within a certain value, I think I’m half lost to a graph so simple rsrsrs.
– wesleysc352