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dbeta
2006 Jul 11
1
test regression against given slope for reduced major axis regression (RMA)
...sumXjYj - ((sumXj * sumYj) / n)) / ((sdxij * sdxik)^0.5)
}
## Make sample variances of betacoefficient and intercept
variancebeta <- (varYj / varXj) * ((1 - (corrCoeff ^ 2)) / n)
varianceintercept <- (varYj / n) * (1 - corrCoeff) * (2 + ((meanxj ^ 2) * ((1 + corrCoeff) / varXj)))
sdbeta <- variancebeta^0.5
sdintercept <- varianceintercept^0.5
list(betacoeff=betacoeff, # <- Steigung
Intercept=Intercept,
sdbeta=sdbeta, # standard deviation
sdintercept=sdintercept,
meanxj=meanxj,
meanyj=meanyj,
corrCoeff=corrCoeff) # <- pears...