minor doc fixes

Author: ievgrafov

lib/gnuplotrb/external_classes/array.rb

@@ -2,6 +2,7 @@
 # Methods to take data for GnuplotRB plots.
 class Array
   # taken for example from current gnuplot bindings
+  # @return [String] array converted to Gnuplot format
   def to_gnuplot_points
     return '' if self.empty?
     case self[0]

lib/gnuplotrb/external_classes/daru.rb

@@ -6,6 +6,10 @@ 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|
@@ -21,6 +25,10 @@ def to_gnuplot_points
     ##
     # 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|

lib/gnuplotrb/external_classes/string.rb

@@ -1,7 +1,6 @@
 ##
 # Methods to take data for GnuplotRB plots.
 class String
-  def to_gnuplot_points
-    clone
-  end
+  # @return [String] data converted to Gnuplot format
+  alias_method :to_gnuplot_points, :clone
 end

lib/gnuplotrb/fit.rb

@@ -3,8 +3,8 @@ module GnuplotRB
   # Contains methods relating to Gnuplot's fit function. Covered in
   # {fit notebook}[http://nbviewer.ipython.org/github/dilcom/gnuplotrb/blob/master/notebooks/fitting_data.ipynb].
   #
-  # You can also see original gnuplot's fit in gnuplot
-  # doc - http://www.gnuplot.info/docs_5.0/gnuplot.pdf p. 122.
+  # You can also see original gnuplot's fit in
+  # {gnuplot doc}[http://www.gnuplot.info/docs_5.0/gnuplot.pdf] p. 122.
   module Fit
     ##
     # Fit given data with function.
@@ -19,9 +19,9 @@ module Fit
     # @param :term_options [Hash] terminal options that should be setted to terminal before fit.
     #   You can see them in Plot's documentation (or even better in gnuplot doc)
     #   Most useful here are ranges (xrange, yrange etc) and fit option which tunes fit parameters
-    #   (see gnuplot doc - http://www.gnuplot.info/docs_5.0/gnuplot.pdf p. 122)
+    #   (see {gnuplot doc}[http://www.gnuplot.info/docs_5.0/gnuplot.pdf] p. 122)
     # @param options [Hash] options passed to Gnuplot's fit such as *using*. They are covered in
-    #   gnuplot doc - http://www.gnuplot.info/docs_5.0/gnuplot.pdf (pp. 69-74)
+    #   {gnuplot doc}[http://www.gnuplot.info/docs_5.0/gnuplot.pdf] (pp. 69-74)
     #
     # @return [Hash] hash with four elements:
     #   - :formula_ds - dataset with best fit curve as data

lib/gnuplotrb/staff/dataset.rb

@@ -6,7 +6,7 @@ module GnuplotRB
   #
   # == Options
   # Dataset options are explained in
-  # {gnuplot docs}[http://www.gnuplot.info/docs_5.0/gnuplot.pdf](pp. 80-101).
+  # {gnuplot docs}[http://www.gnuplot.info/docs_5.0/gnuplot.pdf] (pp. 80-101).
   # Several common options:
   # * with - set plot style for dataset ('lines', 'points', 'impulses' etc)  
   # * using - choose which columns of input data gnuplot should use. Takes String

lib/gnuplotrb/staff/settings.rb

@@ -2,6 +2,8 @@ module GnuplotRB
   ##
   # This module takes care of path to gnuplot executable and checking its version.
   module Settings
+    ##
+    # GnuplotRB can work with Gnuplot 5.0+
     MIN_GNUPLOT_VERSION = 5.0
 
     class << self

lib/gnuplotrb/staff/terminal.rb

@@ -81,7 +81,7 @@ def store_datablock(data)
     ##
     # Convert given options to gnuplot format.
     #
-    # For {opt1: val1, .. , optN: valN} it returns
+    # For "{ opt1: val1, .. , optN: valN }" it returns
     #   set opt1 val1
     #   ..
     #   set optN valN
@@ -103,7 +103,7 @@ def options_hash_to_string(options)
     ##
     # Applie given options to current gnuplot instance.
     #
-    # For {opt1: val1, .. , optN: valN} it will output to gnuplot
+    # For "{ opt1: val1, .. , optN: valN }" it will output to gnuplot
     #   set opt1 val1
     #   ..
     #   set optN valN

lib/gnuplotrb/version.rb

@@ -2,5 +2,7 @@
 # === Overview
 # Ruby bindings for gnuplot.
 module GnuplotRB
+  ##
+  # Gem version
   VERSION = '0.3.0'
 end