R-project中的factor和level 2019-12-04 18:51 − 数组只有在转换为factor的情况下才可以使用levels()获得group的名称例如 persons<-c('a','b','c','c','d')但是数组转换过后则可以使用leves()> pesonsf<-factor(persons) > levels(pesonsf)... 余者皆可 0 1124 Journal of Proteomics Research...
影響係數的使用現況與濫用現象 計算方式 學術界對評估期刊品質的需求 y y- 1 y-2 y 2015 STM Report 250 1665 2009 2014 28,100 相關指標 ● 75 50% 1920 Gross Gross 2005 5 2001 2005 Brodman 1940 2005 Thomson 2001 Reuters ● Impact Factor ● Science Citation Index SCI ● CiteScore Elsevier ...
Amplifying the S-Factor Revolutionizing ESG with social responsibility in sustainable investing Isabella Wang - April 4, 2024 Impact Reporting How you can be accurate AND aspirational in your impact Sara Murdock, PhD - April 1, 2024 Capital for Her ...
Objectives : Factor V: R506Q mutation and the prothrombin G20210A variant (factor II: G20210A variant) are associated with an increased risk of venous thro... T Anzai - 《Circulation Journal Official Journal of the Japanese Circulation Society》 被引量: 0发表: 2022年 Improved, Extended, an...
The impact of factor tax structure on firm innovation: evidence from China Purpose - The purpose of this paper is to investigate how different research and development (R&D) accounting choice (capitalization and expensing) affects... VF Information,https://orcid.org/0000-0001-7406-5868,zongciaxia...
R&D subsidies, lsub, are assumed to directly (contemporaneously) affect private R&D investments, lprdef or total R&D personnel, lhk, which again are an important input factor in knowledge production and thus directly affect provincial technological growth as measured by patents, lpat. Subsequently ...
Unlike the Journal Impact Factor (JIF), it is also calculated for the journals of the Arts & Humanities Citation Index (AHCI) and the Emerging Sources Citation Index (ESCI), which are now included in the JCR. To better understand this new indicator, this article analyses its main statistical...
Moreover, a factor scores coefficient matrix that can be used to estimate and rank the assessment of each Assessor of IT projects was generated.AngayeNationalC.NationalO.NationalUbaruNationalM.NationalO.NationalAkinyokunNationalO.NationalC.
The non-native lipreaders’ linguistic experience of the native language (Hardison, 2003) is an important factor that impacts the weighting of visual cues by the lipreaders. To control this variable among the subjects, we used the IELTS [International English Language Testing System] test score ...
The majority of this study (Alamri et al., 2020b) has not taken into consideration the important function that mediator variables play in examining the relationship between the use of SM and satisfaction as well as learning outcomes. Few studies have explicitly examined the moderator factor (...