### FDA Model

Parameter | Value
--- | ---
Endpoint | Daphnia magna LC50 (48 hr)
r2 | 0,779
q2 | 0,566
#chemicals | 30
Model | FDA Model

Model coefficients
Coefficient | Definition | Value | Uncertainty*
--- | --- | --- | ---
Intercept | Model intercept | 1,4452 | 1,4091
xch9 | Simple 9th order chain chi index | 126,5356 | 33,2326
ib | Information bond index | -0,0622 | 0,0329
Ms | Mean electrotopological state | 0,8005 | 0,4719
MATS8p | Moran autocorrelation - lag 8 / weighted by atomic polarizabilities | 0,6785 | 0,6318
XLOGP | Wang octanol water partition coefficient | 0,8097 | 0,2648
XLOGP2 | Wang octanol water partition coefficient squared | -0,1351 | 0,0711

* value for 90% confidence interval

Model equation:
Daphnia magna LC50 (48 hr) = 126,5356×(xch9) - 0,0622×(ib) + 0,8005×(Ms) + 0,6785×(MATS8p) + 0,8097×(XLOGP) - 0,1351×(XLOGP2) + 1,4452

FDA model fit results by chemical FDA model training set descriptors