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Estimating commute-travel implications of telecommuting by female employees in Kuala Lumpur, malaysia

Journal of Traffic and Transportation Engineering(English Edition) 2018年第2期5卷 148-155页

作者： mootaz m.Jaff abdul Azeez kadar Hamsa Faculty of Architecture and Environmental Design Centre for Foundation Studies International Islamic University Malaysia Department of Urban and Regional Planning Faculty of Architecture and Environmental Design International Islamic University Malaysia

A number of malaysian cities are experiencing severe traffic congestion resulting from rapidly increasing vehicle ownership and usage, and the insufficient supply and inferior quality of public transport. The trend of congestion, frequent traffic accidents and air pollution is nowhere more prevalent in Kuala Lumpur where telecommuting is increasingly being perceived as a viable travel demand management strategy. Due to a number of unique travel characteristics of female commuters and the relatively large participation rate of women in the malaysian work force, telecommuting by female employees seems a more relevant and potentially more crucial means of alleviating rush hour traffic in the Kuala Lumpur metropolitan area. The aim of this study is to estimate both the potential and actual travel implications of telecommuting by female employees. Therefore, this study is exploratory in nature as it mainly aims to explore the influence of the propagation of a phenomenon（i.e., telecommuting among female employees in Kuala Lumpur） on travel demand, and is thus mainly a quantitative research. The travel implications estimated in this paper include the reduction in commute trips, with a particular emphasis on the reduction in single occupancy vehicles（SOVs） entering the city of Kuala Lumpur during peak hours; vehicle and passenger-kilometers forgone; and time savings as a result of the elimination of the daily commute. The findings clearly show the potential of substantial reduction in vehicle and passenger-kilometers travelled, as well as potential time savings of more than 7000 employee-hours/day under an optimal adoption scenario. Furthermore,telecommuting by female employees could potentially result in a daily reduction of up to 7.8% of all SOVs entering Kuala Lumpur in 2019; however, there is a large gap between that potential reduction and the maximum actual reduction of 0.96%.

关键词： Travel implications Telecommuting Female employees Single occupancy vehicle

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Volume Table of Raintree (Samanea Saman) in Bangladesh by Regression Technique

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Open Journal of Statistics 2012年第1期2卷 115-119页

作者： S. S. Islam Jonaed Kabir abdul kadar muhammad mas.m 不详

Raintree (Samanea saman) is a multipurpose village tree species grown in abundance at southern and northern regions of Bangladesh. Village people need to know estimation procedure for timber inventory of this useful tree species. Data on diameter at breast height (diameter) and total height (height) of 205 standing sample trees were collected by Spiegel relascope for the purpose. The sample trees with diameter ranging 21 cm - 91 cm and height ranging 10 m - 20 m were considered for measurement. Volumes (m3) of individual trees were computed by Smalian formula. A total of 10 linear models of volume on diameter and volume (V) on diameter (D) and height (H) were examined with the sample trees. A few statistics of F, t, mean square error, multiple correlation coefficient and Furnivall Index was computed and tested for investigation of best fitted models. The two models of In(V) = 8.3023 + 2.1746 In(D) and In(V) = –9.1864 + 1.85502 In(D) + 0.8234 In(H) were found to be best fitted models. They have been recommended to estimate volume of large scale standing Raintree trees.

关键词： Volume Table Raintree Regression Technique Profitable

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