private DataFrame ReplaceCore <T>(Dictionary <T, T> toReplaceAndValue, string[] subset)
{
var validTypes = new[] { typeof(int), typeof(short), typeof(long), typeof(double), typeof(float), typeof(string) };
if (!validTypes.Any(t => t == typeof(T)))
{
throw new ArgumentException("toReplace and value should be a float, double, short, int, long or string");
}
object subsetObj;
if (subset == null || subset.Length == 0)
{
subsetObj = "*";
}
else
{
subsetObj = subset;
}
return(new DataFrame(dataFrameProxy.Replace(subsetObj, toReplaceAndValue), sparkContext));
}