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Task/Statistics-Basic/MATLAB/statistics-basic.m

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+  % Initialize
+  N = 0; S=0; S2 = 0;
+  binlist = 0:.1:1;	
+  h = zeros(1,length(binlist));  % initialize histogram
+
+  % read data and perform computation
+  while (1)
+	% read next sample x
+        if (no_data_available) break; end;
+        N = N + 1;
+        S = S + x;
+        S2= S2+ x*x;
+        ix= sum(x < binlist);
+        h(ix) = h(ix)+1;
+  end 	
+
+  % generate output
+  m  = S/N;   % mean
+  sd = sqrt(S2/N-mean*mean);  % standard deviation
+  bar(binlist,h)