نتایج جستجو برای: de trended uctuation analysis
تعداد نتایج: 4303714 فیلتر نتایج به سال:
This study was conducted in a drained, exploited, and afforested Baltic bog Bagno Kusowo, located in North West Poland. The study aimed (i) to assess if human activity has a stronger impact on tree-ring width of Pinus sylvestris than climatic conditions in this transformed Baltic bog; (ii) to investigate how much the human modification of the ecosystem has influenced tree growth; (iii) to use t...
A long term dataset of reported flooding based on reports from the UK Meteorological Office and the UK Centre for Ecology and Hydrology is described. This is possibly a unique dataset as the authors are unaware of any other 100+ year records of flood events and their consequences on a national scale. Flood events are classified by severity based upon qualitative descriptions. There is an increa...
In 1981, the US dairy industry experienced a major change in federal policy. From 1950 until 1981 farm level milk prices were supported at a minimum of 75 to 90 percent of parity. Under parity the support price and farm level milk prices trended upward most years. But in 1981, support prices were de-coupled from the parity index. Instead, the support price would be based on the level of milk su...
A new methodology is proposed to estimate changes in the Earth's dynamic oblateness ([Formula: see text] or equivalently, [Formula: see text]) on a monthly basis. The algorithm uses monthly Gravity Recovery and Climate Experiment (GRACE) gravity solutions, an ocean bottom pressure model and a glacial isostatic adjustment (GIA) model. The resulting time series agree remarkably well with a soluti...
le xxe siècle est le temps où nous pouvons voir la couleur foncée des événements sociaux dans le sort des gens ainsi que dans l’art et la littérature. c’est une époque où la moralité et l’humanité perdent peu à peu leurs valeurs et les plaisirs excessifs loin de toute responsabilité prennent leurs places. a ce sujet, les deux écrivains engagés de ce siècle, exupéry et orwell, décident de redonn...
A major issue in nancial economics is the behaviour of stock returns over long horizons. This study provides empirical evidence of the long-range behaviour of various speculative returns. Using di erent techniques such as R=S and modi ed R=S analysis, detrended uctuation analysis (DFA), fractional di erencing test (GPH) and ARFIMA maximum likelihood estimation, we nd little evidence of long mem...
la modalité est un prédicat qui modifie un autre prédicat et joue ainsi un rôle important dans la construction du sens. les principaux verbes modaux sont : le /vouloir/, le /pouvoir/, le /devoir/, le /savoir/ et le /croire/ qui peuvent se mettre en combinaison, en confrontation ou en contribution les unes avec les autres. dans ce travail de recherche nous essaierons d’examiner les modalités de ...
l’objet de notre mémoire consiste à étudier l’idéologie totalisante et la rhinocérite chez ionesco et camus. au départ, nous allons éclaircir quelques notions et pratiques concernant l’idéologie car celle-ci est considérée comme l’essence de la rhinocérite et celle des régimes totalitaires, ensuite, nous allons nous intéresser à l’étude de la rhinocérite. la définition donnée pour la notion d...
Economic production quantity (EPQ) inventory model for trended demand has been analyzed with rework facility and stochastic preventive machine time. Due to the complexity of the model, search method is proposed to determine the best optimal solution. A numerical example and sensitivity analysis are carried out to validate the proposed model. From the sensitivity analysis, it is observed that th...
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