Função para calcular médias amostrais.

lailsonbm · Jun 21, 2011 · 60a3a37 · 60a3a37
1 parent 7a32811
commit 60a3a37
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/medias_amostrais.m b/medias_amostrais.m
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+% U - linha i representa uma classe i, coluna j representa atributo j
+function U = medias_amostrais(X, C)
+  K = sort(unique(C));
+  U = zeros(size(K, 1), size(X, 2));
+  n = size(C, 1);
+
+  for k = K'
+    C_k = find(C==k);
+    U(k, :) = sum(X(C_k, :)) / size(C_k, 1);
+  end
+end