The time cost of ridesharing rental represents a crucial factor influencing users'decisions to rent a car.Researchers have explored this aspect through text analysis and questionnaires.However,the current research...The time cost of ridesharing rental represents a crucial factor influencing users'decisions to rent a car.Researchers have explored this aspect through text analysis and questionnaires.However,the current research faces limitations in terms of data quantity and analysis methods,preventing the extraction of key information.Therefore,there is a need to further optimize the level of public opinion analysis.This study aimed to investigate user perspectives concerning travel time in ridesharing,both pre and post-pandemic,within the Twitter application.Our analysis focused on a dataset from users residing in the USA and India,with considerations for demographic variables such as age and gender.To accomplish our research objectives,we employed Latent Dirichlet Allocation for topic modeling and BERT for sentiment analysis.Our findings revealed significant influences of the pandemic and the user's country of origin on sentiment.Notably,there was a discernible increase in positive sentiment among users from both countries following the pandemic,particularly among older individuals.These findings bear relevance to the ridesharing industry,offering insights that can aid in establishing benchmarks for improving travel time.Such improvements are instrumental in enabling ridesharing companies to effectively compete with other public transportation alternatives.展开更多
目的:探讨步歌评定与步态训练系统在帕金森病患者康复训练中的疗效。方法:选取2017年1月1日—2018年10月1日在浙江康复医疗中心的42例帕金森病患者,采用数字随机表法随机分为试验组21例、对照组21例,两组患者均接受神经内科常规治疗,同...目的:探讨步歌评定与步态训练系统在帕金森病患者康复训练中的疗效。方法:选取2017年1月1日—2018年10月1日在浙江康复医疗中心的42例帕金森病患者,采用数字随机表法随机分为试验组21例、对照组21例,两组患者均接受神经内科常规治疗,同时进行常规康复训练(PT/OT),每人每天15min肌力训练,15min平衡训练,30min步态训练。试验组接受进行步歌步态训练,对照组仅接受视、听提示下的步态训练,每次步态训练为30min,每周5次康复训练,共3个月。对两组患者训练前后评测统一帕金森病分级量表第三部分(unified Parkinson Disease rating scale,partⅢ,UPDRS-Ⅲ)评分,起立—行走计时测试(timed up and go test,TUGT),步歌步行功能分级(walking function rating scale of Ambulosono,WFRSA)。结果:两组患者性别、年龄、HOENHN-YAHR分级、简易精神状态量表(mini-mental state examination,MMSE)评分、训练前UPDRS-Ⅲ、TUGT、WFRSA比较,差异均无显著性意义(P>0.05)。训练前两组UPDRS-Ⅲ[试验组(17.76±5.92)分,对照组(17.00±6.28)分,P>0.05],TUGT[试验组(10.76±3.56)s,对照组(13.73±8.76)s,P>0.05],WFRSA[试验组(3.24±0.62)级,对照组(3.24±0.63)级,P>0.05]均无显著性差异。训练3个月后结果如下:UPDRS-Ⅲ(试验组12.81±3.08分,对照组16.95±6.20分),TUGT[试验组(7.87±2.60)s,对照组(13.48±9.06s)],WFRSA[试验组(3.917±0.57)级,对照组(3.23±0.66)级]。训练后试验组UPDRS-Ⅲ(P<0.05)、TUGT(P<0.05)下降明显,WFRSA(P<0.05)上升,存在显著性差异。对照组训练前后各数据UPDRS-Ⅲ(P>0.05)、TUGT(P>0.05)也有下降趋势,WFRSA(P>0.05)呈下降趋势,但训练前后并无显著性差异。训练后试验组与对照组对比各数据存在显著性差异(UPDRS-Ⅲ:P<0.05,TUGT:P<0.05,WFRSA:P<0.05)。结论:与传统康复训练相比较,步歌评定与步态训练系统能改善帕金森病患者的运动与步行功能。展开更多
基金supported by the Chinese National Natural Science Foundation(52172348)the Postdoctoral Research Foundation of China.
文摘The time cost of ridesharing rental represents a crucial factor influencing users'decisions to rent a car.Researchers have explored this aspect through text analysis and questionnaires.However,the current research faces limitations in terms of data quantity and analysis methods,preventing the extraction of key information.Therefore,there is a need to further optimize the level of public opinion analysis.This study aimed to investigate user perspectives concerning travel time in ridesharing,both pre and post-pandemic,within the Twitter application.Our analysis focused on a dataset from users residing in the USA and India,with considerations for demographic variables such as age and gender.To accomplish our research objectives,we employed Latent Dirichlet Allocation for topic modeling and BERT for sentiment analysis.Our findings revealed significant influences of the pandemic and the user's country of origin on sentiment.Notably,there was a discernible increase in positive sentiment among users from both countries following the pandemic,particularly among older individuals.These findings bear relevance to the ridesharing industry,offering insights that can aid in establishing benchmarks for improving travel time.Such improvements are instrumental in enabling ridesharing companies to effectively compete with other public transportation alternatives.
文摘目的:探讨步歌评定与步态训练系统在帕金森病患者康复训练中的疗效。方法:选取2017年1月1日—2018年10月1日在浙江康复医疗中心的42例帕金森病患者,采用数字随机表法随机分为试验组21例、对照组21例,两组患者均接受神经内科常规治疗,同时进行常规康复训练(PT/OT),每人每天15min肌力训练,15min平衡训练,30min步态训练。试验组接受进行步歌步态训练,对照组仅接受视、听提示下的步态训练,每次步态训练为30min,每周5次康复训练,共3个月。对两组患者训练前后评测统一帕金森病分级量表第三部分(unified Parkinson Disease rating scale,partⅢ,UPDRS-Ⅲ)评分,起立—行走计时测试(timed up and go test,TUGT),步歌步行功能分级(walking function rating scale of Ambulosono,WFRSA)。结果:两组患者性别、年龄、HOENHN-YAHR分级、简易精神状态量表(mini-mental state examination,MMSE)评分、训练前UPDRS-Ⅲ、TUGT、WFRSA比较,差异均无显著性意义(P>0.05)。训练前两组UPDRS-Ⅲ[试验组(17.76±5.92)分,对照组(17.00±6.28)分,P>0.05],TUGT[试验组(10.76±3.56)s,对照组(13.73±8.76)s,P>0.05],WFRSA[试验组(3.24±0.62)级,对照组(3.24±0.63)级,P>0.05]均无显著性差异。训练3个月后结果如下:UPDRS-Ⅲ(试验组12.81±3.08分,对照组16.95±6.20分),TUGT[试验组(7.87±2.60)s,对照组(13.48±9.06s)],WFRSA[试验组(3.917±0.57)级,对照组(3.23±0.66)级]。训练后试验组UPDRS-Ⅲ(P<0.05)、TUGT(P<0.05)下降明显,WFRSA(P<0.05)上升,存在显著性差异。对照组训练前后各数据UPDRS-Ⅲ(P>0.05)、TUGT(P>0.05)也有下降趋势,WFRSA(P>0.05)呈下降趋势,但训练前后并无显著性差异。训练后试验组与对照组对比各数据存在显著性差异(UPDRS-Ⅲ:P<0.05,TUGT:P<0.05,WFRSA:P<0.05)。结论:与传统康复训练相比较,步歌评定与步态训练系统能改善帕金森病患者的运动与步行功能。
