Portfolio Real Option Based on Trigeminal Tree Model in Sustainable Utilization of Exploration Asset

Table 2

Forecasting sheet of variance.

Forecast

Actual

Forecast sample

Adjusted sample

Root mean squared error

Mean absolute error

Mean abs. percent error

Theil inequality coefficient

Bias proportion

Variance proportion

Covariance proportion

Start

End

Start

End

RF

R

1/01/2017

12/30/2018

1/08/2017

12/30/2018

0.146132

0.071640

108.7168

0.947079

0.008455

NA

NA