public static void AdalineError(
double learningRate,
double weightsLimit,
double adalineThreshold,
int inputsCount)
{
CsvPrinter.DumpParams(
new KeyValuePair <string, object>("weightsLimit", weightsLimit),
new KeyValuePair <string, object>("learningRate", learningRate),
new KeyValuePair <string, object>("inputsCount", inputsCount)
);
CsvPrinter.DumpHeaderLine("n", "error");
try
{
var p = PerceptronTrainer.CreatePerceptron(learningRate, weightsLimit, inputsCount, StepFunction.Bipolar, true);
var epochs = PerceptronTrainer.TrainPerceptron_And(p, adalineThreshold, dumpData: true);
}
catch (PerceptronLearnException)
{
}
}
public static void WeightsRange(
double start,
double end,
double step,
int repetitions,
double learningRate,
StepFunction stepFunction,
int inputsCount,
bool useAdaline = false,
double adalineThreshold = 1,
bool verbose = false
)
{
if (start > end || step > Math.Abs(end - start) || step == 0)
{
throw new ArgumentException();
}
CsvPrinter.DumpParams(
new KeyValuePair <string, object>("start", start),
new KeyValuePair <string, object>("end", end),
new KeyValuePair <string, object>("step", step),
new KeyValuePair <string, object>("repetitions", repetitions),
new KeyValuePair <string, object>("learningRate", learningRate),
new KeyValuePair <string, object>("stepFunction", stepFunction),
new KeyValuePair <string, object>("inputsCount", inputsCount),
new KeyValuePair <string, object>("useAdalvine", useAdaline),
new KeyValuePair <string, object>("adalineThreshold", adalineThreshold),
new KeyValuePair <string, object>("verbose", verbose)
);
CsvPrinter.DumpHeaderLine("n", "initial weights limit", "min epochs", "max epochs", "avg epochs");
int experimentIndex = 0;
for (double weightsLimit = start; weightsLimit <= end; weightsLimit += step)
{
experimentIndex++;
var minEpochs = int.MaxValue;
var epochsSum = 0;
var maxEpochs = 0;
var run = 0;
Perceptron p = null;
if (verbose)
{
ConsoleHelper.WriteYellowLine($"Experiment - {experimentIndex}");
}
for (int j = 0; j < repetitions; j++)
{
run++;
p = PerceptronTrainer.CreatePerceptron(learningRate, weightsLimit, inputsCount, stepFunction, useAdaline);
var epochs = PerceptronTrainer.TrainPerceptron_And(p, adalineThreshold, verbose);
if (epochs < minEpochs)
{
minEpochs = epochs;
}
if (epochs > maxEpochs)
{
maxEpochs = epochs;
}
epochsSum += epochs;
}
var avarageEpochs = epochsSum / run;
CsvPrinter.DumpLine(experimentIndex, weightsLimit, minEpochs, maxEpochs, avarageEpochs);
}
}
public static void AdalineTreshold(
double start,
double end,
double step,
int repetitions,
double learningRate,
double weightsLimit,
int inputsCount,
bool verbose = false)
{
if (start > end || step > Math.Abs(end - start) || step == 0)
{
throw new ArgumentException();
}
CsvPrinter.DumpParams(
new KeyValuePair <string, object>("start", start),
new KeyValuePair <string, object>("end", end),
new KeyValuePair <string, object>("step", step),
new KeyValuePair <string, object>("repetitions", repetitions),
new KeyValuePair <string, object>("weightsLimit", weightsLimit),
new KeyValuePair <string, object>("learningRate", learningRate),
new KeyValuePair <string, object>("inputsCount", inputsCount),
new KeyValuePair <string, object>("verbose", verbose)
);
CsvPrinter.DumpHeaderLine("n", "adaline threshold", "min epochs", "max epochs", "avg epochs", "final error");
int experimentIndex = 0;
for (double adalineThreshold = start; adalineThreshold <= end; adalineThreshold += step)
{
experimentIndex++;
var minEpochs = int.MaxValue;
var epochsSum = 0;
var maxEpochs = 0;
var run = 0;
Perceptron p = null;
if (verbose)
{
ConsoleHelper.WriteYellowLine($"Experiment - {experimentIndex}");
}
try
{
for (int j = 0; j < repetitions; j++)
{
run++;
p = PerceptronTrainer.CreatePerceptron(learningRate, weightsLimit, inputsCount, StepFunction.Bipolar, true);
var epochs = PerceptronTrainer.TrainPerceptron_And(p, adalineThreshold, verbose);
if (epochs < minEpochs)
{
minEpochs = epochs;
}
if (epochs > maxEpochs)
{
maxEpochs = epochs;
}
epochsSum += epochs;
}
}
catch (PerceptronLearnException)
{
if (verbose)
{
ConsoleHelper.WriteErrorLine("Perceptron can't learn with params:");
}
p?.Dump();
}
var avarageEpochs = epochsSum / run;
var currentError = PerceptronTrainer.GetAdalineError(p);
CsvPrinter.DumpLine(experimentIndex, adalineThreshold, minEpochs, maxEpochs, avarageEpochs, currentError);
}
}