ml.net time series forecasting
var forecastingPipeline = mlContext.Forecasting.ForecastBySsa(
    outputColumnName: "ForecastedRentals",
    inputColumnName: "TotalRentals",
    windowSize: 7,
    seriesLength: 30,
    trainSize: 365,
    horizon: 7,
    confidenceLevel: 0.95f,
    confidenceLowerBoundColumn: "LowerBoundRentals",
    confidenceUpperBoundColumn: "UpperBoundRentals");
