استخدام نماذج (ARIMA) للتنبؤ بعدد السياح الاجانب الوافدين إلى الجزائر خلال الفترة 1995-2030

القصّة القصیرة جدًّا بین الأدبین العربی والفارسی؛ نظرة إلى نماذج من الکاتب المغربی "عبدالسمیع بنصابر" والکاتب الإیرانی "جواد سعیدی‌پور"

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Tracking progress to 2030

Pali Lehohla tells Fiona Fleck why more tools are in place to measure progress towards the next set of health and development goals.

Higher Education to 2030

Higher education drives and is driven by globalisation. It trains the highly skilled workers and contributes to the research base and capacity for innovation that determine competitiveness in the knowledge-based global economy. It facilitates international collaboration and cross-cultural exchange. Cross-border flows of ideas, students, faculty and financing, coupled with developments in inform...

Fractional ARIMA Processes and Its

The Identi cation ofFractional ARIMA

For the fractional ARIMA model, we demonstrate that wrong model speciication might lead to serious problems of inference in nite samples. We assess the performance of various model selection criteria when the true model is fractionally integrated and the alternatives of interest are ARMA and fractional ARIMA models. The likelihood of successful identiication increases substantially with rising ...