logistic regression(explained)

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    0 42 .0

    0 42 100.0

    50.0

    Observed

    .00

    1.00

    IMPROVE

    Overall Percentage

    Step 0

    .00 1.00

    IMPROVE Percentage

    Correct

    Predicted

    Constant is included in the model.a.

    The cut value is .500b.

    .000 .218 .000 1 1.000 1.000ConstantStep 0

    B S.E. Wald df Sig. Exp(B)

    4.613 1 .032

    10.720 1 .001

    16.797 2 .000

    SEX(1)

    TREAT(1)

    Variables

    Overall Statistics

    Step

    0

    Score df Sig.

    10.962 1 .001

    10.962 1 .001

    10.962 1 .0017.266 1 .007

    18.227 2 .000

    18.227 2 .000

    Step

    Block

    ModelStep

    Block

    Model

    Step 1

    Step 2

    Chi-square df Sig.

    Number of people whose health was

    improved irrespective of having the

    treatment or just taking the placebo.

    This is a score test that is used to predict whether or not anindependent variable would be significant in the model. Pearson chi-

    square values of sex and treatment are given to show that they are both

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    Step number: 1

    Observed Groups and Predicted Probabilities

    80 F R 60 E Q U 1 E 40 1 1 N 1 1 C 0 1

    Y

    0 1

    20 0 1 0 0 0 0 0 0 Predicted

    Prob: 0 .25 .5 .75 1Group: 000000000000000000000000000000111111111111111111111111111111

    Predicted Probability is of Membership for 1.00The Cut Value is .50Symbols: 0 - .00

    1 - 1.00

    Each Symbol Represents 5 Cases.

    Step number: 2

    Observed Groups and Predicted Probabilities

    32 1

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    1 1 1 F 1 1 R 24 1 1 E 1 1 Q 0 1

    U

    0 1

    E 16 0 1 N 0 1 1 C 1 0 1 1

    Y 0 0 1 1 8 0 0 0 1

    0 0 0 0 0 0 0 0 0 0 0 0 Predicted

    Prob: 0 .25 .5 .75 1Group: 000000000000000000000000000000111111111111111111111111111111

    Predicted Probability is of Membership for 1.00The Cut Value is .50Symbols: 0 - .00

    1 - 1.00Each Symbol Represents 2 Cases.