### FDA Model

Parameter | Value
--- | ---
Endpoint | Daphnia magna LC50 (48 hr)
r2 | 0,713
q2 | 0,571
#chemicals | 34
Model | FDA Model

Model coefficients
Coefficient | Definition | Value | Uncertainty*
--- | --- | --- | ---
Intercept | Model intercept | -13,7279 | 8,4716
SsaaC | Sum of ( saaC ) E-States (SsaaC) | 0,2953 | 0,1324
StN | Sum of ( tN ) E-States (StN) | 0,2376 | 0,1128
SssNH_acnt | Count of ( – NH – ) (SssNH_acnt) | -0,4539 | 0,3727
BEHp2 | Highest eigenvalue n. 2 of Burden matrix / weighted by atomic polarizabilities | 4,7448 | 2,2804
MATS4v | Moran autocorrelation - lag 4 / weighted by atomic van der Waals volumes | -3,1034 | 1,7615
-C(=O)- [aromatic attach] | -C(=O)- [aromatic attach] fragment count | 1,3689 | 0,7385

* value for 90% confidence interval

Model equation:
Daphnia magna LC50 (48 hr) = 0,2953×(SsaaC) + 0,2376×(StN) - 0,4539×(SssNH_acnt) + 4,7448×(BEHp2) - 3,1034×(MATS4v) + 1,3689×(-C(=O)- [aromatic attach]) - 13,7279

FDA model fit results by chemical FDA model training set descriptors