class UnicodePlot::StringStemplot
Public Class Methods
new(vector, scale: 10, string_padchar: '_', **_kw)
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Calls superclass method
UnicodePlot::Stemplot::new
# File lib/unicode_plot/stemplot.rb, line 186 def initialize(vector, scale: 10, string_padchar: '_', **_kw) super stem_places = Math.log10(scale).floor raise ArgumentError, "Cannot take fewer than 1 place from stem. Scale parameter should be greater than or equal to 10." if stem_places < 1 vector.each do |value| # Strings may be shorter than the number of places we desire, # so we will pad them with a string-pad-character. padded_value = value.ljust(stem_places+1, string_padchar) stem = padded_value[0...stem_places] leaf = padded_value[stem_places] self.insert(stem, leaf) end end
sorted_stem_list(stems, all: true)
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Used when we have stems from a back-to-back stemplot and a combined list of stems is given @param stems [Array] Concatenated list of stems from two plots @param all [Boolean] Return all stems if true, otherwise only return stems if a leaf exists for a stem @return [Array] Sorted list of stems
# File lib/unicode_plot/stemplot.rb, line 212 def self.sorted_stem_list(stems, all: true) if all rmin, rmax = stems.minmax return (rmin .. rmax).to_a else stems.sort end end
Public Instance Methods
print_key(_scale, _divider)
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Function prototype to provide same interface as {NumericStemplot}. This function does not do anything. @return [false]
# File lib/unicode_plot/stemplot.rb, line 203 def print_key(_scale, _divider) # intentionally empty return false end