defaultParameters constant

Implementation

static const List<double> defaultParameters = [
  0.40255, // w0  – initial stability for Again
  1.18385, // w1  – initial stability for Hard
  3.173, // w2  – initial stability for Good
  15.69105, // w3  – initial stability for Easy
  7.1949, // w4  – difficulty weight
  0.5345, // w5  – difficulty mean reversion
  1.4604, // w6  – difficulty update after rating
  0.0046, // w7  – stability bonus for Hard recall
  1.54575, // w8  – stability bonus for Good recall
  0.1746, // w9  – stability bonus for Easy recall
  1.01925, // w10 – stability penalty for lapse (fail)
  1.9395, // w11 – stability recovery after lapse
  0.11, // w12 – stability short-term decay
  0.29605, // w13 – stability short-term base
  2.2698, // w14 – stability growth exponent
  0.2315, // w15 – stability growth factor
  2.9898, // w16 – difficulty floor influence
  0.51655, // w17 – difficulty reversion rate
  0.6925, // w18 – stability forgetting index
];