Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen Revision Vorhergehende Überarbeitung | Nächste ÜberarbeitungBeide Seiten der Revision |
| 1819:xgd_tod_pl [2019/01/21 08:37] – admin | 1819:xgd_tod_pl [2019/01/21 08:42] – admin |
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| The regression line //goal-difference ($g_d$)// vs. //xGoal-Differenz ($xG_{d}$)//: | The regression line //goal-difference ($g_d$)// vs. //xGoal-Differenz ($xG_{d}$)//: |
| $$ g_d = g_0 + \alpha \cdot xG_{d} $$ | $$ g_d = g_0 + \alpha \cdot xG_{d} $$ |
| is shown in blue. A high efficiency corresponds to a slope $\alpha>1$, $\alpha<$ to a low efficiency. The axis section $g_0$ indicates how many goals a team scores in games with equal scoring chances ($xG_{G}\simeq 0$). The larger the axis segment, the more often the team has won, conversely a large negative axis segment means that thigt games are often lost. | is shown in blue. A high efficiency corresponds to a slope $\alpha>1$, $\alpha<1$ to a low efficiency. The axis section $g_0$ indicates how many goals a team scores in games with equal scoring chances ($xG_{G}\simeq 0$). The larger the axis segment, the more often the team has won, conversely a large negative axis segment means that tight games are often lost. This number is an indication of luck or skill. |
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