- last_similar_serie_end = tail( data$getCenteredSerie(index), 1)
- last_similar_tomorrow_begin = data$getCenteredSerie(index+1)[1]
- index = index - 7
+ last_serie_end = tail( data$getSerie(index), 1)
+ last_tomorrow_begin = data$getSerie(index+1)[1]
+ index = index - ifelse(same_day,7,1)