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D_NULL computes D-bar scores and P-values after statistical testing the data.

D_BAR = D_NULL (D, TYPE_MT) does a TYPE_MT statistical test on the data and computes the SAM D_BAR scores based on the D scores.

[D_BAR, P_VALUE] = D_NULL (D, TYPE_MT) returns the P_VALUEs of the TYPE_MT statistical test.

[D_BAR, P_VALUE, VEC_FALSE] = D_NULL (D, TYPE_MT) gives the thresholds from which positive and negative D scores will be rated as false positives.

VALUE D_BAR : expected expression scores. P_VALUE : p-values. VEC_FALSE : limens helping to choose D scores of expressed observations.