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. Author manuscript; available in PMC: 2010 Oct 14.
Published in final edited form as: Transportation (Amst). 2009 Mar 1;36(2):187–206. doi: 10.1007/s11116-009-9186-z

Table 2.

Correlations matrix among the four “top-level” modes

RDM

Bicycle Moped/
motorcycle
Car Transit
SM Bicycle 0.197 0.006 −0.157 −0.086
Moped/motorcycle 0.109 0.182 0.024 0.047
Car −0.006 −0.152 −0.192 0.006
Transit −0.035 −0.063 0.150 −0.240