private async void Search(string text)
{
IsLoading = true;
_clear.Visibility = string.IsNullOrEmpty(text) ? ViewStates.Invisible : ViewStates.Visible;
_filteredSources = await SearchAsync(text);
_listResults.Adapter = _resultAdapter = new SearchAdapter(_context, _filteredSources, _search);
ItemsFiltered?.Invoke(this, new SearchBoxItemFilteredEventArgs(_filteredSources.ToList()));
IsLoading = false;
}
static Dictionary <string, double> Evaluate()
{
if (filtered_eval)
{
return(ItemsFiltered.Evaluate(recommender, test_data, training_data, item_attributes, relevant_users, relevant_items));
}
else
{
return(Items.Evaluate(recommender, test_data, training_data, relevant_users, relevant_items));
}
}
public void SetFilterResults(IList <TData> items)
{
//on first filter, init our original data
if (originalDataSet == null)
{
originalDataSet = new List <TData> (dataSet);
}
applyAndAnimateRemovals(items);
applyAndAnimateAdditions(items);
applyAndAnimateMovedItems(items);
ItemsFiltered?.Invoke(this, EventArgs.Empty);
}
public override void Train()
{
filtered_items_by_user = new Dictionary <int, ICollection <int> > [MaxUserID + 1];
items_by_attribute = (SparseBooleanMatrix)item_attributes.Transpose();
Console.Error.WriteLine("max_user_id {0} max_item_id {1}", MaxUserID, MaxItemID);
for (int u = 0; u < filtered_items_by_user.Count; u++)
{
filtered_items_by_user[u] = ItemsFiltered.GetFilteredItems(u, Feedback, ItemAttributes);
}
base.Train();
}