Difference between revisions of "Polar rose plot"
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A '''polar rose plot''' (or '''roseplot''') is an angle histogram showing the distribution of values grouped according to their numeric range (viewed as a "polar plot"). It is similar to a [[wikipedia:Rose_%28mathematics%29|polar rose]] (i.e. with <tt>r = cos(k*θ</tt>)) but not necessarily symmetric, as the symmetry (or "direction" of petals) is entirely dependant on the input data. | A '''polar rose plot''' (or '''roseplot''') is an angle histogram showing the distribution of values grouped according to their numeric range (viewed as a "polar plot"). It is similar to a [[wikipedia:Rose_%28mathematics%29|polar rose]] (i.e. with <tt>r = cos(k*θ</tt>)) but not necessarily symmetric, as the symmetry (or "direction" of petals) is entirely dependant on the input data. | ||
| − | A roseplot is useful for viewing the "direction" of input data. It is commonly used for plotting the daily (or yearly, etc.) average wind direction at a given location (sometimes called a "wind direction plot"). | + | A roseplot is useful for viewing the "direction" of input data. It is commonly used for plotting the daily (or yearly, etc.) average wind direction at a given location (sometimes called a "wind direction plot" or a "wind rose"). |
I routinely use roseplots in my [[:Category:Bioinformatics|bioinformatics]] [[:Category:Academic Research|research]]. They are especially useful for getting an overview of amino acid- or nucleotide-usage in a given genome or sequence (note: to see what I mean, have a look at the Genome Atlas Server at CBS). | I routinely use roseplots in my [[:Category:Bioinformatics|bioinformatics]] [[:Category:Academic Research|research]]. They are especially useful for getting an overview of amino acid- or nucleotide-usage in a given genome or sequence (note: to see what I mean, have a look at the Genome Atlas Server at CBS). | ||
Revision as of 01:18, 16 July 2007
A polar rose plot (or roseplot) is an angle histogram showing the distribution of values grouped according to their numeric range (viewed as a "polar plot"). It is similar to a polar rose (i.e. with r = cos(k*θ)) but not necessarily symmetric, as the symmetry (or "direction" of petals) is entirely dependant on the input data.
A roseplot is useful for viewing the "direction" of input data. It is commonly used for plotting the daily (or yearly, etc.) average wind direction at a given location (sometimes called a "wind direction plot" or a "wind rose").
I routinely use roseplots in my bioinformatics research. They are especially useful for getting an overview of amino acid- or nucleotide-usage in a given genome or sequence (note: to see what I mean, have a look at the Genome Atlas Server at CBS).
External links
- Mathworld article on rose curves
- Applet to create rose with k parameter
- MATLAB Function Reference - rose
- Wind rose — include a Python script and examples.
- Wind Rose Plotter Programme
- wikipedia:Polar coordinate system
- wikipedia:List of canonical coordinate transformations
This article is curently a "stub". This means it is an incomplete article needing further elaboration.
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