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161 articles for “Linear Regression”
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Research ArticleOpen accessIn the abstractGlobal Solar Radiation Studies Due to Sunshine Hours and Other Meteorological ParametersMfon David Umoh, Sunday O. Udo, Ye-Obong N. UdoakahMultiple linear regression models were developed to estimate the monthly daily Sunshine Hours using four parameters during a period of eleven years (1997-2007) for locations in South Eastern Nigeria. These locations include Uyo (Latitude 5°18'53.7"N), Calabar (Latitude 5°16'07.6"N), Port Harcourt (Latitude 4°56'26.2"N), Warri (Latitude 5°34'21.0"N), Enugu (Latitude 6°27'42.42"N), Owerri (Latitude 5°38'05.1"N). The parameters include Relative Humidity, Maximum and Minimum temperatures, … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 3 · 30 Sep 2013 · 7,700 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Phosphorus Application with Avail on Growth and Yield of Winter Wheat in Southeastern Coastal PlainsPawel WiatrakPhosphorus (P) application with Avail may affect plant growth and grain yields of winter wheat (Triticum aestivum L.) under dryland conditions. The objective of this study was to determine the effects of two P application rates (45 and 90 kg ha-1) with and without Avail polymer on growth and yields of dryland winter wheat near Blackville, SC from 2010 to … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 3 · 16 Sep 2013 · 7,140 accessesView PDFCite
Research ArticleOpen accessIn the abstractINFLUENCE OF CUSTOMER SATISFACTION ON LOYALTY: A STUDY ON MOBILE TELECOMMUNICATION INDUSTRYMd. Motaher Hossain, Nusrat Jahan SuchyThe mobile telecommunication companies uphold their service quality and change their marketing core strategies to retain their existing customers by enhancing and optimizing the customer loyalty. Therefore, it becomes significant for telecom companies to identify factors of services that influence customer loyalty and in turn creates loyal customers by satisfying them. This present study aims to explore the influence of … …Journal of Social Sciences, Vol. 9, Issue 2 · 20 Aug 2013 · 9,346 accessesView PDFCite
Research ArticleOpen accessIn the abstractPredicting Battery Charge Depletion in Wireless Sensor Networks Using Received Signal Strength IndicatorInacio Henrique Yano, Vitor ChavesDe Oliveira, Eric Alberto de Mello Fagotto et al.This article aims to identify an adequate mathematical model to predict battery power depletion at the nodes of a Wireless Sensor Network (WSN), by analyzing the Received Signal Strength Indicator (RSSI). Six general models were tested, the simplest Average model, Linear Regression model, Autoregressive (AR) models and Autoregressive Moving Average (ARMA) models.The selected model (AR) presented a low absolute mean … …Journal of Computer Science, Vol. 9, Issue 7 · 12 Jun 2013 · 7,239 accessesView PDFCite
Research ArticleOpen accessIn the abstractTREND ANALYSIS OF MONTHLY RAINFALL DATA IN CENTRAL ZONETelemu KassileProper trend analysis of rainfall data is necessary for social and economic planning especially in the tropics where rainfall is a major limiting factor for crop production. In spite of the growing number of studies on climatic variables including rainfall in recent years, in the context of Tanzania little is known as to whether or not the observed time trend … …Journal of Mathematics and Statistics, Vol. 9, Issue 1 · 15 Mar 2013 · 7,939 accessesView PDFCite
Research ArticleOpen accessIn the abstractDrying Characteristics of the Borneo Canarium odontophyllum (Dabai) FruitDayang Fredalina Basri, Ahmad Fudholi, Mohd Hafidz RuslanThe quality and shelf-life of an underutilized fruits are compromised by the conventional method of drying. We therefore proposed using hot-air chamber to develop the drying curves of Canarium odontophyllum (dabai) fruit. Present study provides evidence of the best mathematical model to demonstrate the drying characteristics of this indigenous fruit and thus, may generate or add to the existing database. … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 3 · 5 Sep 2012 · 8,946 accessesView PDFCite
Research ArticleOpen accessIn the abstractParameters Estimate of Autoregressive Moving Average and Autoregressive Integrated Moving Average Models and Compare Their Ability for Inflow ForecastingMohammad Valipour, Mohammad Ebrahim Banihabib, Seyyed Mahmood Reza BehbahaniIn this study the ability of Autoregressive Moving Average (ARMA) and Autoregressive Integrated Moving Average (ARIMA) models in forecasting the monthly inflow of Dez dam reservoir located in Teleh Zang station in Dez dam upstream is estimated. ARIMA model has found a widespread application in many practical sciences. In addition, dam reservoir inflow forecasting is done by some methods such … …Journal of Mathematics and Statistics, Vol. 8, Issue 3 · 30 Aug 2012 · 17,288 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiological Control of Spodoptera frugiperda Eggs Using Telenomus remus Nixon in Maize-Bean-Squash PolycultureAntonio GutiA©rrez-MartAnez, Alfredo Tolon-Becerra, Xavier B. Lastra-BravoThe maize earworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is an important pest in maize. Telenomus remus Nixon (Hymenoptera: Scelionidae) is an important control agent of this pest due to its capacity to invade the whole egg mass. The percentage of parasitism by Telenomus remus Nixon (Hymenoptera: Scelionidae) on Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) eggs was evaluated in maize-bean, … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 3 · 17 Jul 2012 · 10,883 accessesView PDFCite
Research ArticleOpen accessIn the abstractAcquired Immune Deficiency Syndrome, Risky Sexual Behavior and AbortionMarshall H. MedoffProblem statement: incidence of abortion in the United States has steadily declined since 1990. The question is why? Approach: This study, using multiple linear regression, examines whether women’s unprotected sexual activity is deterred by the risk of contracting AIDS as reflected in decreased abortion rates. Results: The empirical evidence consistently finds that the prevalence of AIDS reduces the risky (unprotected) … …Journal of Social Sciences, Vol. 8, Issue 2 · 28 Feb 2012 · 8,538 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Impact of User Knowledge on Web Search SatisfactionFadhilah Mat Yamin, T. RamayahProblem statement: Searching on the web is a tedious process as it requires knowledge and skills on what and how to search. What to search is basically, the core of the searching activity as it represents the need of the searcher. How to search is related to the knowledge on how the facilities available on the web can be utilized … …American Journal of Economics and Business Administration, Vol. 3, Issue 1 · 31 Jan 2011 · 7,712 accessesView PDFCite