New to cAlgo, could someone spot my errors?

using System;
using System.Linq;
using cAlgo.API;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;
using cAlgo.Indicators;

namespace cAlgo.RegressionRobot
{
    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class RegressionRobot : Robot
    {
        [Parameter("Period", DefaultValue = 100)]
        public int Period { get; set; }

        [Parameter("SL", DefaultValue = 1)]
        public double SL { get; set; }

        [Parameter("TP", DefaultValue = 1)]
        public double TP { get; set; }

        [Parameter("Buy Limit", DefaultValue = 0)]
        public double BuyLimit { get; set; }

        [Parameter("Sell Limit", DefaultValue = 0)]
        public double SellLimit { get; set; }

        [Parameter("Lotsize", DefaultValue = 1000, MinValue = 0)]
        public int Lotsize { get; set; }

        private const string label = "Regression Bot";
        private LinearRegressionRSquared rSquared;
        private LinearRegressionIntercept intercept;
        private StandardDeviation stdev;
        private double buyLimit = 0;
        private double sellLimit = 0;
        private int volume = 1000;

        protected override void OnStart()
        {
        }
        protected override void OnTick()
        {
            if (Positions != null)
            {
                if (Position.TradeType = TradeType.Buy)
                {
                    double distance = Symbol.Bid - Position.EntryPrice;
                    if (distance < 0)
                    {
                        double newStopLossPrice = Symbol.Bid - Symbol.PipSize;
                        if (Position.StopLoss == null || newStopLossPrice > Position.StopLoss)
                        {
                            ModifyPosition(Position, newStopLossPrice, Position.TakeProfit);
                        }
                    }
                }
                if (Position.TradeType = TradeType.Sell)
                {
                    double distance = Position.EntryPrice - Symbol.Ask;
                    if (distance < 0)
                    {
                        double newStopLossPrice = Symbol.Ask + 1 * Symbol.PipSize;
                        if (position.StopLoss == null || newStopLossPrice < position.StopLoss)
                        {
                            ModifyPosition(Position, newStopLossPrice, Position.TakeProfit);
                        }
                    }
                }
            }
            else if (Positions = null)
            {
                if (LinearRegressionRSquared.LastVaue >= buyLimit)
                {
                    if (Bar.Close.LastValue <= intercept.LastValue - stdev.LastValue * TP)
                    {
                        Robot.ExecuteMarketOrder(TradeType.Buy, Bars.SymbolName, volume);
                        return;
                    }
                }
                else if (LinearRegressionRSquared.LastValue <= sellLimit)
                {
                    if (Bar.Close.LastValue >= intercept.LastValue + stdev.LastValue * TP)
                    {
                        Robot.ExecuteMarketOrder(TradeType.Sell, Bars.SymbolName, volume);
                        return;
                    }
                }
                else
                    return;
            }
        }
        protected override void OnStop()
        {
        }
    }
}

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Position.TradeType.get'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Position.EntryPrice.get'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Position.StopLoss.get'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Position.StopLoss.get'

Error CS0118: 'cAlgo.API.Position' is a 'type' but is used like a 'variable'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Position.TakeProfit.get'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Position.TradeType.get'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Position.EntryPrice.get'

Error CS0103: The name 'position' does not exist in the current context

Error CS0103: The name 'position' does not exist in the current context

Error CS0118: 'cAlgo.API.Position' is a 'type' but is used like a 'variable'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Position.TakeProfit.get'

Error CS0200: Property or indexer 'cAlgo.API.Internals.Algo.Positions' cannot be assigned to -- it is read only

Error CS0029: Cannot implicitly convert type 'cAlgo.API.Positions' to 'bool'

Error CS0117: 'cAlgo.API.Indicators.LinearRegressionRSquared' does not contain a definition for 'LastVaue'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Bar.Close.get'

Error CS1061: 'cAlgo.API.Indicators.LinearRegressionIntercept' does not contain a definition for 'LastValue' and no extension method 'LastValue' accepting a first argument of type 'cAlgo.API.Indicators.LinearRegressionIntercept' could be found (are you missing a using directive or an assembly reference?)

Error CS1061: 'cAlgo.API.Indicators.StandardDeviation' does not contain a definition for 'LastValue' and no extension method 'LastValue' accepting a first argument of type 'cAlgo.API.Indicators.StandardDeviation' could be found (are you missing a using directive or an assembly reference?)

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Robot.ExecuteMarketOrder(cAlgo.API.TradeType, string, double)'

Error CS0117: 'cAlgo.API.Indicators.LinearRegressionRSquared' does not contain a definition for 'LastValue'

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Bar.Close.get'

Error CS1061: 'cAlgo.API.Indicators.LinearRegressionIntercept' does not contain a definition for 'LastValue' and no extension method 'LastValue' accepting a first argument of type 'cAlgo.API.Indicators.LinearRegressionIntercept' could be found (are you missing a using directive or an assembly reference?)

Error CS1061: 'cAlgo.API.Indicators.StandardDeviation' does not contain a definition for 'LastValue' and no extension method 'LastValue' accepting a first argument of type 'cAlgo.API.Indicators.StandardDeviation' could be found (are you missing a using directive or an assembly reference?)

Error CS0120: An object reference is required for the non-static field, method, or property 'cAlgo.API.Robot.ExecuteMarketOrder(cAlgo.API.TradeType, string, double)'

Thank you very much.