This is the data file MONITOR-6_4_3_6.DAT Source: This example is used on page pmc436.htm of the e-Handbook to demonstrate single, double and triple exponential smoothing. Description: The data consists of six years of quarterly sales data. To read into Dataplot, enter SKIP 25 READ "MONITOR-6_4_3_6.DAT" year quarter period sales Year Quarter Period Sales ----------------------- 90 1 1 362 90 2 2 385 90 3 3 432 90 4 4 341 91 1 5 382 91 2 6 409 91 3 7 498 91 4 8 387 92 1 9 473 92 2 10 513 92 3 11 582 92 4 12 474 93 1 13 544 93 2 14 582 93 3 15 681 93 4 16 557 94 1 17 628 94 2 18 707 94 3 19 773 94 4 20 592 95 1 21 627 95 2 22 725 95 3 23 854 95 4 24 661