The
3003 time series of the M3Competition are distributed as
follows:
Types
of Time Series Data

Interval

Micro

Industry

Macro

Finance

Demog

Other

Total

Yearly

146

102

83

58

245

11

645

Quarterly

204

83

336

76

57

0

756

Monthly

474

334

312

145

111

52

1428

Other

4

0

0

29

0

141

174

Total

828

519

731

308

413

204

3003 
The data
file contains the following information for each series:
 The
first line which includes the following:
 The
ID number of the series (from N0001 to N3003)
 The
number of data points (observations) of each series
(let us call this number n).
 The
number of required forecasts
 6
for yearly data
 8
for quarterly data
 18
for monthly data
 8
for "others"
 The
type of series (e.g., YEARLY/MICRO or MONTHLY/INDUSTRY).
 The
ID number of each type of series (e.g., there are 146
YEARLY/MICRO series so this ID number goes from 1 to
146, while there are 334 MONTHLY/INDUSTRY series making
their ID go from 1 to 334).
 n observations
of time series data (8 per line)
 The
starting date of the data (Year and Period, if no information
is available or the information is not relevant the value
is 0.0).
 A short
description (title) for the time series.
