Two time series, their meaning and some applications

作者：

Highlights：

• Two time series are introduced and studied from a mathematical point of view.

• Applications to data related to Chinese universities show their practical use.

• It is suggested to apply these time series to study innovative activities of firms.

摘要

•Two time series are introduced and studied from a mathematical point of view.•Applications to data related to Chinese universities show their practical use.•It is suggested to apply these time series to study innovative activities of firms.

论文关键词：Time series,Social sciences,Informetrics,Chinese universities

论文评审过程：Received 27 January 2013, Revised 21 March 2013, Accepted 21 March 2013, Available online 23 April 2013.

论文官网地址：https://doi.org/10.1016/j.joi.2013.03.006