fix LevenbergMarquardtConstrained parameter estimation

fslaborg · Jul 27, 2021 · b91c80d · b91c80d
1 parent f0fc7a9
commit b91c80d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/FSharp.Stats/Fitting/NonLinearRegression.fs b/src/FSharp.Stats/Fitting/NonLinearRegression.fs
@@ -242,7 +242,7 @@ module NonLinearRegression =
             let estParams = estimatedParamsVerbose model solverOptions lambdaInitial lambdaFactor lowerBound upperBound xData yData
             estParams
             |> fun estParams ->
-                let paramGuess = Vector.last estParams
+                let paramGuess = Seq.last estParams
                 let rss = getRSS model xData yData paramGuess
                 estParams.[estParams.Count-1], rss