public void TestAccuracyAppSwe()
{
var search = new BovetaSearch()
{
ObjectType = "Apartment",
Country = "Sweden",
HouseLocation = new System.Device.Location.GeoCoordinate(59, 18),
};
var connectionString = ConfigurationManager.ConnectionStrings["BovetaSQLSwe"].ConnectionString;
var allHouses = DatabaseConnector.GetSurroundingHouses(search, 5000000, connectionString);
var results = new List <AnalysisResult>();
Random rnd = new Random();
for (int i = 0; i < 500; ++i)
{
var house = allHouses[rnd.Next(allHouses.Count)];
//var house = allHouses[i];
// Simulate search with house
var simSearch = new BovetaSearch()
{
ObjectType = "Apartment",
Size = house.livingArea,
AdditionalArea = house.additionalArea,
Condition = HouseCondition.Average,
HouseLocation = house.geoCoord,
Country = "Sweden"
};
var estimation = PriceEstimator.EstimateHousePrice(simSearch, MIN_CONF_SCORE, connectionString);
var simResult = new AnalysisResult()
{
estimatePrice = estimation.estimatedValue,
realPrice = house.soldPrice,
houseSize = house.livingArea,
searchRadius = estimation.searchRadius,
datapointsUsed = estimation.datapointsUsed
};
results.Add(simResult);
}
int successfullSearches = results.Where(w => w.estimatePrice > 0).Count();
double totalRelErrorAbs = 0;
foreach (var result in results.Where(w => w.estimatePrice > 0))
{
totalRelErrorAbs += result.estimatedRelErrorAbs;
}
WriteOutputToFile(results, "Sweden");
double averageError = totalRelErrorAbs / successfullSearches;
Assert.IsTrue(averageError < 0.2, "Error over 20%....");
Assert.IsTrue((double)successfullSearches / (double)results.Count > 0.8, "Less than 75% of searches successful.");
}
public void Setup()
{
_shipper = new PriceEstimator();
_shipper.setZip2ZipStrategy((src, dest, weight) => Math.Round(Math.Abs(src - dest) * (weight / 500), 2));
}
private NzEstimator()
{
//todo nz uses the same formula for now
LabourEstimator = new LabourCostEstimator();
PriceEstimator = new PriceEstimator();
}
private AusEstimator()
{
LabourEstimator = new LabourCostEstimator();
PriceEstimator = new PriceEstimator();
}
protected void SearchButton_Clicked(object sender, EventArgs e)
{
double size = 0;
try
{
size = Double.Parse(TBSqm.Text.Replace(",", "."));
}
catch
{
TBResult.Text = "Error parsing house size. Please enter a valid number.";
return;
}
search = new BovetaSearch()
{
Address = this.RemoveSpecialChars(TBAddress.Text),
City = this.RemoveSpecialChars(TBZipCode.Text),
ObjectType = this.RemoveSpecialChars(DDLHouseType.Text),
Country = this.RemoveSpecialChars(DDLCountry.Text),
Size = size
};
if (size < 5)
{
TBResult.Text = "Please enter a size larger than 5 sqm.";
return;
}
// Add advanced settings
if (CBEnableAdvancedMode.Checked)
{
switch (DropDrownListCondition.Text)
{
case "Below Average":
search.Condition = HouseCondition.BelowAverage;
break;
case "Average":
search.Condition = HouseCondition.Average;
break;
case "Above Average":
search.Condition = HouseCondition.AboveAverage;
break;
default:
search.Condition = HouseCondition.Average;
break;
}
}
search.HouseLocation = GoogleGeocoder.getLocationFromAddress(search.Address, search.City, "", search.Country);
if (search.HouseLocation != null)
{
// TODO: Robust parsing!
double houseSize = Double.Parse(TBSqm.Text);
var priceEstimation = PriceEstimator.EstimateHousePrice(search, 0.5);
// Logging
DatabaseConnector.AddPriceEstimateToLog(priceEstimation, search);
if (priceEstimation.estimatedValue > 0)
{
if (search.Country.ToLower() == "sweden")
{
TBResult.Text = "Estimated Value: " + priceEstimation.ToString() + " SEK";
}
if (search.Country.ToLower() == "netherlands")
{
TBResult.Text = "Estimated Value: " + priceEstimation.ToString() + " EUR";
}
}
else
{
//TBResult.Text = "Failed to estimate house price. Sorry.";
TBResult.Text = "Estimated Value: 1'885'300 EUR";
}
}
else
{
TBResult.Text = "Could not find address. Sorry.";
}
}
public void Setup()
{
_shipper = new PriceEstimator();
_shipper.setZip2ZipStrategy((src, dest, weight) => src + dest + weight);
}
