Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/expcalc/numo_expansion.rb

Overview

Tb meter leer matrices con npy

Instance Method Summary collapse

Instance Method Details

#get_hash_values_idx ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/expcalc/numo_expansion.rb', line 12

def get_hash_values_idx
  x_names_indx = {}
  i = 0
  self.each do |k, values|
    values.each do |val_id|   	
   	  val_id = val_id.first if val_id.class == Array
     	  query = x_names_indx[val_id]
      if query.nil?
        x_names_indx[val_id] = i
        i += 1
      end
    end
  end
  return x_names_indx
end

#to_bmatrix ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/expcalc/numo_expansion.rb', line 28

def to_bmatrix
  x_names_indx = self.get_hash_values_idx 
  y_names = self.keys
  x_names = x_names_indx.keys
   # row (y), cols (x)
  matrix = Numo::DFloat.zeros(self.length, x_names.length)
  i = 0
  self.each do |id, items|
    items.each do |item_id|
      matrix[i, x_names_indx[item_id]] = 1
    end
    i += 1
  end
  return matrix, y_names, x_names
end

#to_wmatrix(squared: true, symm: true) ⇒ Object 



45
46
47
48
49
50
51
52
53
 
# File 'lib/expcalc/numo_expansion.rb', line 45

def to_wmatrix(squared: true, symm: true)
	if squared
		matrix, element_names = to_wmatrix_squared(symm: symm)
		return matrix, element_names
	else
		matrix, y_names, x_names = to_wmatrix_rectangular(symm: symm)
		return matrix, y_names, x_names
	end
end

#to_wmatrix_rectangular(symm: true) ⇒ Object 



75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
 
# File 'lib/expcalc/numo_expansion.rb', line 75

def to_wmatrix_rectangular(symm: true)
	  y_names = self.keys
	  x_names = self.get_hash_values_idx.keys
	  p x_names
	  matrix = Numo::DFloat.zeros(y_names.length, x_names.length)
	  i = 0
	  self.each do |elementA, relations|
	    x_names.each_with_index do |elementB, j|
	        query = relations[elementB]
	        if !query.nil?
	          matrix[i, j] = query
	        elsif symm
	        	query = self.dig(elementB, elementA)
	        	matrix[i, j] = query if !query.nil?
	        end
	    end
	    i += 1
	  end
	  return matrix, y_names, x_names
end

#to_wmatrix_squared(symm: true) ⇒ Object 



55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/expcalc/numo_expansion.rb', line 55

def to_wmatrix_squared(symm: true)
	  element_names = self.keys
	  matrix = Numo::DFloat.zeros(element_names.length, element_names.length)
	  i = 0
	  self.each do |elementA, relations|
	    element_names.each_with_index do |elementB, j|
	      if elementA != elementB
	        query = relations[elementB]
	        if !query.nil?
	          matrix[i, j] = query
	        elsif symm
	          matrix[i, j] = self[elementB][elementA]
	        end
	      end
	    end
	    i += 1
	  end
	  return matrix, element_names
end