code: private double[] hiddenDropoutratios(BackendParams bparms) {
          double[] hiddenDropoutRatios = (double[]) bparms.get("hidden_dropout_ratios");
          if(null != hiddenDropoutRatios) {
              return hiddenDropoutRatios;
          }
          int layerNr = ((int[]) bparms.get("hidden")).length;
          hiddenDropoutRatios = new double[layerNr];
          for(int i = 0; i < layerNr; i++) {
              hiddenDropoutRatios[i] = 0d;
          }
          return hiddenDropoutRatios;
      }
docs: returns doubles not floats b/c we get doubles from H2O