Table 2 Training, Test Sample
From: VAR, ARIMAX and ARIMA models for nowcasting unemployment rate in Ghana using Google trends
Data / train / Test | Year(s) | GT (50) | UER % | Percentage % |
|---|---|---|---|---|
Total size 2010–2020 | 10 years | 574 | 574 | 100% of data size |
Training 2010–2018 | 8 years | 470 | 470 | 80% of data size |
Test set 2019–2020 | 2 years (Y24/12) | 104 | 104 | 20% of data size (100% of test set) |
1 year 9 months (Y21/12) | 91 | 91 | 88% of test set | |
1 year 6 months (Y18/12) | 78 | 78 | 75% of test set | |
1 year 3 months (Y15/12) | 65 | 65 | 63% of test set | |
1 year (Y12/12) | 52 | 52 | 50% of test set | |
9 months (Y9/12) | 39 | 39 | 38% of test set | |
6 months (Y6/12) | 26 | 26 | 25% of test set | |
3 months (Y3/12) | 13 | 13 | 13% of test set | |
1 month (Y1/12) | 4 | 4 | 4% of test set |