. Basilevsky, ? Karhunen?Loeve analysis of historical time series with an application to plantation births in Jamaïca, ? Journal of American Statistical Association, vol.74, issue.366, pp.284-290, 1979.

. Becker, The New S Language., Biometrics, vol.45, issue.2, 1988.
DOI : 10.2307/2531523

P. Bibliographie, . De, . Temporelles, . Aux, . Stationnaires et al., ). ? An Analysis of Transformations, ? Journal of the Royal Statistical Society, vol.64, issue.26, 1964.

]. Granger80 and . W. Granger-(-c, ? Forecasting in business and economics, 1980.

. Granger, ? Forecasting economic time series, 1986.

. Hannan, ). ? Time series in the time domain, 1985.

P. Bibliographie, . De, . Temporelles, . Aux, and . Stationnaires, ? Using turning point information to study economic dynamics, 2003.

. Kendall, ? The advanced theory of statistics : Volume 3 : design and analysis, and time?series, 1976.

. Kim, A Comparison Study of EOF Techniques: Analysis of Nonstationary Data with Periodic Statistics, Journal of Climate, vol.12, issue.1, pp.185-199, 1999.
DOI : 10.1175/1520-0442-12.1.185

. Th-conf and . Atmos, Oceanic Waves and Stability, Amer, Meteor. Soc, pp.115-116

[. Plus, User's Guide. ? Data Analysis Products Division, 1999.

[. Plus, Programmer's Guide. ? Data Analysis Products Division, 1999.

. Plaut, Spells of Low-Frequency Oscillations and Weather Regimes in the Northern Hemisphere, Journal of the Atmospheric Sciences, vol.51, issue.2, pp.210-236, 1994.
DOI : 10.1175/1520-0469(1994)051<0210:SOLFOA>2.0.CO;2

. Sokal, ? Principles of Numerical Taxonomy, 1963.

. Weare, Examples of Extended Empirical Orthogonal Function Analyses, Monthly Weather Review, vol.110, issue.6, pp.481-485, 1982.
DOI : 10.1175/1520-0493(1982)110<0481:EOEEOF>2.0.CO;2

D. Harding, Using turning point information to study economic dynamics, 2003.

M. Kendall and A. Stuart, The advanced theory of statistics: design and analysis, and time-series, 1976.

C. E. Shannon, A Mathematical Theory of Communication, Bell System Technical Journal, vol.27, issue.3, pp.379-423, 1948.
DOI : 10.1002/j.1538-7305.1948.tb01338.x

G. W. Wilder, New Concept in Technical Trading System, Greensboro NC: Trend Research, 1978.