/// <summary>
/// Approximated comparison between two dataframes.
/// It returns 0 if the difference is below the precision
/// or the difference otherwise, Inf if shapes or schema are different.
/// </summary>
public double AlmostEquals(DataFrame df, double precision = 1e-6f, bool exc = false, bool printDf = false)
{
if (exc && printDf)
{
try
{
return(_data.AlmostEquals(df._data, precision, exc));
}
catch (Exception e)
{
var addition = $"----\n{ToString()}\n-----\n{df.ToString()}";
throw new Exception(addition, e);
}
}
else
{
return(_data.AlmostEquals(df._data, precision, exc));
}
}
/// <summary>
/// Approximated comparison between two dataframes.
/// It returns 0 if the difference is below the precision
/// or the difference otherwise, Inf if shapes or schema are different.
/// </summary>
public double AlmostEquals(DataFrame df, double precision = 1e-6f, bool exc = false,
bool printDf = false, string sortBy = null)
{
if (!string.IsNullOrEmpty(sortBy))
{
if (!HasColumn(sortBy))
{
throw Contracts.Except($"Unable to find column '{sortBy}'.");
}
if (!df.HasColumn(sortBy))
{
throw Contracts.Except($"Unable to find column '{sortBy}'.");
}
var df1 = Copy();
df1.Sort(new[] { sortBy });
var df2 = df.Copy();
df2.Sort(new[] { sortBy });
return(df1.AlmostEquals(df2, precision, exc, printDf));
}
if (exc && printDf)
{
try
{
return(_data.AlmostEquals(df._data, precision, exc));
}
catch (Exception e)
{
var addition = $"----\n{ToString()}\n-----\n{df.ToString()}";
throw new Exception(addition, e);
}
}
else
{
return(_data.AlmostEquals(df._data, precision, exc));
}
}