public void Load(string filePath)
{
SourceName = new FileInfo(filePath).Name;
using (var file = File.OpenText(filePath))
Statistic.ReadFromCsv(file, str => str);
}
public void Save(string filePath)
{
using (var file = File.CreateText(filePath))
Statistic.WriteToCsv(file);
}
public void RemoveLowFrequency(int minf)
{
Statistic = Statistic.Where(pair => pair.Value >= minf);
}