lib/gnuplotrb/external_classes/daru.rb
if defined? Daru
##
# See {daru}[https://github.com/v0dro/daru] and
# {plotting from daru}[https://github.com/dilcom/gnuplotrb/blob/master/notebooks/plotting_from_daru.ipynb]
module Daru
##
# Methods to take data for GnuplotRB plots.
class DataFrame
##
# Convert DataFrame to Gnuplot format.
#
# @return [String] data converted to Gnuplot format
def to_gnuplot_points
result = ''
each_row_with_index do |row, index|
quoted = (index.is_a?(String) || index.is_a?(Symbol)) && index.length > 0
result += quoted ? "\"#{index}\" " : "#{index} "
result += row.to_a.join(' ')
result += "\n"
end
result
end
end
##
# Methods to take data for GnuplotRB plots.
class Vector
##
# Convert Vector to Gnuplot format.
#
# @return [String] data converted to Gnuplot format
def to_gnuplot_points
result = ''
each_with_index do |value, index|
quoted = (index.is_a?(String) || index.is_a?(Symbol)) && index.length > 0
result += quoted ? "\"#{index}\" " : "#{index} "
result += "#{value}\n"
end
result
end
end
end
end