BigML represents your test data and the model forecasts in a chart, so you can visually analyze the goodness-of-fit of your Time Series models. You will also see multiple performance metrics such as the Mean Absolute Error (MAE), the Mean Squared Error (MSE), the R squared, the ...
Statistics: How can I get an R-squared value when a Stata command does not supply one? (Updated 26 June 2017) Statistics: Why do I see different p-values, etc., when I change the base level for a factor in my regression? (Updated 26 June 2017) Windows: Why do I get slightly ...
The equation is "y = 1.0 / (1.0 + exp(-a(x-b))) + Offset" with parameter values a = 2.1540318329369712E-01, b = -6.6744890642157646E+00, and Offset = -3.5241299859669645E-01 which gives an R-squared of 0.988 and an RMSE of 0.0085. The example contains your post...