module Rserve::With2DNames
Attributes
column_names[R]
row_names[R]
Public Instance Methods
by_name(row_name, column_name)
click to toggle source
# File lib/rserve/with2dnames.rb, line 22 def by_name(row_name, column_name) return nil unless @row_names and @column_names i = @row_names.index(row_name) j = @column_names.index(column_name) return nil unless i and j if self.is_a? Array at_2d(i, j) elsif self.is_a? Matrix self[i, j] else raise ArgumentError, "unsupported type for With2DNames" end end
column_by_name(name)
click to toggle source
# File lib/rserve/with2dnames.rb, line 48 def column_by_name(name) return nil unless @column_names j = @column_names.index(name) return nil unless j result = column(j).to_a if @row_names result.extend WithNames result.names = @row_names end result end
named_2d?()
click to toggle source
# File lib/rserve/with2dnames.rb, line 60 def named_2d? !(@row_names.nil? or @column_names.nil?) end
names=(names)
click to toggle source
# File lib/rserve/with2dnames.rb, line 6 def names=(names) raise ArgumentError, "sizes must be of size 2" unless (names.size == 2) if self.is_a? Array raise ArgumentError, "mismatch between the size of row labels and the actual number of elements" if (names[0] and ((self.count % names[0].size) != 0)) raise ArgumentError, "mismatch between the size of column labels and the actual number of elements" if (names[1] and ((self.count % names[1].size) != 0)) raise ArgumentError, "mismatch between the provided sizes and the actual number of elements" if (names[0] and names[1] and ((names[0].size * names[1].size) != self.count)) elsif self.is_a? Matrix raise ArgumentError, "mismatch between the size of row labels and the actual number of rows" if (names[0] and (names[0].size != self.row_size)) raise ArgumentError, "mismatch between the size of column labels and the actual number of rows" if (names[1] and (names[1].size != self.column_size)) else raise ArgumentError, "unsupported type for With2DNames" end @row_names = names[0] @column_names = names[1] end
row_by_name(name)
click to toggle source
# File lib/rserve/with2dnames.rb, line 36 def row_by_name(name) return nil unless @row_names i = @row_names.index(name) return nil unless i result = row(i).to_a if @column_names result.extend WithNames result.names = @column_names end result end