Logit回归交互效应计算

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最近要处理logit回归的交互效应，因变量是二分类的dummy，自变量有分类变量也有数值型变量，我看网上有说做分类型变量的回归要在变量名前面加“i.”，我加上后跑logit函数没有问题（第一条代码），但是跑inteff函数就报错了：factor-variable and time-series operators not allowed，然后我尝试将“i.”去掉，还是报错：“variable BathroomsIsCov19 not found”，说找不到交互项，这要咋办呀？球球了

1. logit Alive NumberofReviews Bathrooms MaxGuests ResponseRate i.AirbnbSuperhost MinimumStay NumberofPhotos i.InstantbookEnabled i.ExactLocation OverallRating i.PetsAllowed YearsSinceOpen i.Kitchen i.Breakfast i.Elevator i.AllowsSmoking i.Washer i.LaptopFriendly i.LongTermStaysAllowed i.FirstAidKit i.AccommadationType1 i.AccommadationType2 i.IsCov19 i.ListingTypeN i.CancellationPolicyN i.ParkingN
   
2. 
   
3. 
   
4. . inteff Alive Bathrooms i.IsCov19 Bathroomsi.IsCov19 NumberofReviews MaxGuests ResponseRate i.AirbnbSuperhost MinimumStay NumberofPhotos i.InstantbookEnabled i.ExactLoc
   
5. > ation OverallRating i.PetsAllowed YearsSinceOpen i.Kitchen i.Breakfast i.Elevator i.AllowsSmoking i.Washer i.LaptopFriendly i.LongTermStaysAllowed i.FirstAidKit i.Acco
   
6. > mmadationType1 i.AccommadationType2 i.ListingTypeN i.CancellationPolicyN i.ParkingN
   
7. factor-variable and time-series operators not allowed
   
8. 
   
9. . inteff Alive Bathrooms IsCov19 BathroomsIsCov19 NumberofReviews MaxGuests ResponseRate AirbnbSuperhost MinimumStay NumberofPhotos InstantbookEnabled ExactLocation Over
   
10. > allRating PetsAllowed YearsSinceOpen Kitchen Breakfast Elevator AllowsSmoking Washer LaptopFriendly LongTermStaysAllowed FirstAidKit AccommadationType1 AccommadationTy
    
11. > pe2 ListingTypeN CancellationPolicyN ParkingN
    
12. variable BathroomsIsCov19 not found

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关键词：logit 交互效应 Log cancellation time-series