An Open Access Journal
Variable code | Definition | Mean | S.D. | Min | Max |
---|---|---|---|---|---|
Dependent variable: | |||||
CI | Citations per article | 28.08 | 29.58 | 0 | 294 |
Article characteristics: | |||||
KW | Keywords | 8.84 | 3.84 | 1 | 24 |
RF | References | 25.96 | 16.73 | 0 | 167 |
WA | Words in abstract | 158.71 | 61.59 | 0 | 464 |
WT | Words in title | 10.75 | 3.66 | 1 | 28 |
Author characteristics: | |||||
ANa | Place in alphabet of first authors surname | 10.96 | 7.18 | 1 | 26 |
GE | Gender (1 = female, 0 = male) | 0.13 | 0.34 | 0 | 1 |
EN | Language (1 = English, 0 = not English) | 0.57 | 0.50 | 0 | 1 |
NA | Number of authors (1 = more than one, 0 = one) | 0.77 | 0.42 | 0 | 1 |
AC | Number of countries (1 = more than one, 0 = one) | 0.20 | 0.40 | 0 | 1 |
Name of journals: | |||||
TR | Transportation | 0.13 | 0.34 | 0 | 1 |
PA | Transportation Research Part A | 0.27 | 0.44 | 0 | 1 |
PB | Transportation Research Part B | 0.28 | 0.45 | 0 | 1 |
TS | Transportation Science | 0.19 | 0.39 | 0 | 1 |
JT | Journal of Transport Economics and Policy | 0.12 | 0.33 | 0 | 1 |
Publication year: | |||||
Y 2000 | Publication year (1 = 2000, 0 otherwise) | 0.17 | 0.38 | 0 | 1 |
Y 2001 | Publication year (1 = 2001, 0 otherwise) | 0.20 | 0.40 | 0 | 1 |
Y 2002 | Publication year (1 = 2002, 0 otherwise) | 0.22 | 0.41 | 0 | 1 |
Y 2003 | Publication year (1 = 2003, 0 otherwise) | 0.21 | 0.41 | 0 | 1 |
Y 2004 | Publication year (1 = 2004, 0 otherwise) | 0.20 | 0.40 | 0 | 1 |