### FDA Model

Parameter | Value
--- | ---
Endpoint | Fathead minnow LC50 (96 hr)
r2 | 0,888
q2 | 0,835
#chemicals | 30
Model | FDA Model

Model coefficients
Coefficient | Definition | Value | Uncertainty*
--- | --- | --- | ---
Intercept | Model intercept | 32,8284 | 16,6387
SdssC | Sum of ( = C < ) E-States (SdssC) | 0,7523 | 0,3154
icycem | Mean information on the vertex cycle matrix equality | -12,1234 | 3,0411
MDEC33 | Molecular distance edge between all tertiary carbons | 0,0837 | 0,0415
BEHe1 | Highest eigenvalue n. 1 of Burden matrix / weighted by atomic Sanderson electronegativities | -4,2171 | 4,1212
-CH< [aromatic attach] | -CH< [aromatic attach] fragment count | 1,0790 | 0,3553
-C(=O)O- [aliphatic attach] | -C(=O)O- [aliphatic attach] fragment count | -1,1152 | 0,5636

* value for 90% confidence interval

Model equation:
Fathead minnow LC50 (96 hr) = 0,7523×(SdssC) - 12,1234×(icycem) + 0,0837×(MDEC33) - 4,2171×(BEHe1) + 1,0790×(-CH< [aromatic attach]) - 1,1152×(-C(=O)O- [aliphatic attach]) + 32,8284

FDA model fit results by chemical FDA model training set descriptors