(38G) Probability of Correlation Coefficient

03192015, 06:12 AM
(This post was last modified: 06152017 01:54 PM by Gene.)
Post: #1




(38G) Probability of Correlation Coefficient
A programme to calculate the probability of the coefficient of correlation having a certain value by chance.
Store x & y data in columns 1 & 2 of statistics aplet & run the programme. The screen will display correlation coefficient R, probability of R arising by chance & relative error of the data to the fitted curve (NOT relative error of R). SELECT Statistics: SETINDEP S1;C1: SETDEPEND S1;C2: DO2VSTATS S1: DISP 5;"Rel Error: "RELERR: SIZE(C1)2: UTPT(Ans,CORR*√Ans/√(1CORR^2): DISP 3;" SIG: "Ans: DISP 1;"CORR: "CORR: FREEZE: 

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