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Table 3 The coefficients of determination r2 for different types of functions

From: Do spatial differences in the personal car market reflect a centre-periphery structure? The case of Poland

Relationship

Function

linear

exponential

logarithmic

power

H1

0.017

0.015

0.015

0.016

H2

0.468

0.352

0.452

0.404

H3

0.010

0.016

0.016

0.003

H4

0.519

0.557

0.536

0.552

  1. The highest values of r2 are shown in bold print.
  2. Source: own elaboration based on the Ministry of Finance and Central Vehicle Agency data