Data for: Flat specific energy performance gap – how to address internal heat shifts in multi-apartment dwellings

Variance Inflation factors for the OLS regression as presented in Table 5 and stepwise OLS regressions for October to April.如表5所示的普通最小二乘（Ordinary Least Squares, OLS）回归的方差膨胀因子（Variance Inflation Factor, VIF），以及针对10月至4月的逐步普通最小二乘回归。