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x1: volume of imported gas, x2: the number of natural gas suppliers, x3: dependency on largest supplier, x4: import dependency, xs: fragility of supplier, xg: share of natural ga in primary energy consumption 1, Y2) Y3) Y4) Ys Ye indicate the scale value of relating indicators. Index scores of selected countries for 2013. Table 4

Table 4 x1: volume of imported gas, x2: the number of natural gas suppliers, x3: dependency on largest supplier, x4: import dependency, xs: fragility of supplier, xg: share of natural ga in primary energy consumption 1, Y2) Y3) Y4) Ys Ye indicate the scale value of relating indicators. Index scores of selected countries for 2013. Table 4

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Descriptive statistics 2013. Table 1
Descriptive statistics 2013. Table 1
Correlation matrix 2013. Table 2
Correlation matrix 2013. Table 2
Eigenvalues & Eigenvectors 2013. Table 3
Eigenvalues & Eigenvectors 2013. Table 3
Fig. 1. Ranks of selected countries from 2001 to 2013.
Fig. 1. Ranks of selected countries from 2001 to 2013.
SSI scores from 2007 to 2012. Table A.2 tistically there is no any solid relationship between possible environmental risk factors and the remaining risk factors, the environmental risk factors failed to satisfy main requirement of principal component analysis, which is being correlated with at least some of the variables within the dataset to obtain accurate principal component analysis results. If there is no correlation be- tween any of the variables within the dataset, it means that there is already a set of uncorrelated axes, which makes the use of PCA inappropriate.
SSI scores from 2007 to 2012. Table A.2 tistically there is no any solid relationship between possible environmental risk factors and the remaining risk factors, the environmental risk factors failed to satisfy main requirement of principal component analysis, which is being correlated with at least some of the variables within the dataset to obtain accurate principal component analysis results. If there is no correlation be- tween any of the variables within the dataset, it means that there is already a set of uncorrelated axes, which makes the use of PCA inappropriate.
SSI scores from 2001 to 2006. Table A.1
SSI scores from 2001 to 2006. Table A.1
Related topics:
International Energy SecuritySecurity of Energy Supply
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