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Frequency percentage distribution histogram with R

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Old 03-10-2015
Frequency percentage distribution histogram with R
I am new to R and would like to calculate the percentage frequency distribution of h1 and h2. How can I combine h1 and h2 in one plot? I tried the following code.

Code:
 h1=c(5.18,4.61,3.30,7.58,3.00,3.80,1.95,2.67,2.77,2.73,2.33,3.36,3.50,1.91,4.25,3.87,2.86,2.26,2.00,3.86,3.33,3.59,4.00)
h2=c(2.1,2.1,2.6,2,3.6,2,2.7,1.8,3.1,3.9,3.8,2.6,1.9,2.6,2.1,3.9,2.7,1.8,2.1,2.3,2.2,2.6,1.8,2.3,2.3,3.7,3.3,1.9,2.4,2.6,2.4,3.4,2.4,2.2,1.8,2.1,2,1.2,3.9,1.9,3.4,2,2.2,2.3,2.6,2,3,1.8,1.6,1.5,2.6,3.2,2.3)
h = hist(h1)
h$density = h$counts/sum(h$counts)*100
plot(h, freq=F, ylab='Percentage')

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LEARN ABOUT DEBIAN

unihist

unihist(1)						      General Commands Manual							unihist(1)

NAME

       unihist - Generate a histogram of the characters in a Unicode file

SYNOPSIS

       unihist ([option flags])

DESCRIPTION

       unihist	generates  a  histogram  of the characters in its input, which must be encoded in UTF-8 Unicode. By default, for each character it
       prints the frequency of the character as a percentage of the total, the absolute number of tokens in the input, the UTF-32 code	in   hexa-
       decimal,  and, if the character is displayable, the glyph itself as UTF-8 Unicode. Command line flags allow unwanted information to be sup-
       pressed.  In particular, note that by suppressing the percentages and counts it is possible to generate a list of the unique characters	in
       the input.

       Output is produced ordered by character code. To sort it in descending order of frequency, pipe the output into the command:

	      sort -k1 -n -r

       By  default,  unihist  handles all of Unicode. To reduce memory usage and increase speed, it may be compiled so as to handle only the Basic
       Multilingual Plane (plane 0) by defining BMPONLY.

COMMAND LINE FLAGS

       -c     Suppress printing of counts and percentages.

       -g     Suppress printing of glyphs.

       -h     Print usage information.

       -u     Suppress printing of the Unicode code as text.

       -v     Print version information.

SEE ALSO

       uniname (1)

REFERENCES

       Unicode Standard, version 5.0

AUTHOR

       Bill Poser
       billposer@alum.mit.edu

LICENSE

       GNU General Public License

								     May, 2008								unihist(1)