回合（mf）錯誤：數學函數的非數字參數

Question

我想弄清楚poLCA::poLCA()函數，但系統給了我如下警告：

回合（mf）錯誤：數學函數的非數字參數

代碼如下所示：

#Latent class models with one (loglinear independence) to three classes
f=cbind("I_like_to_drink","I_drink_hard_liquor","I_have_drank_in_the_morning","I_have_drank_in_the_work","I_drink_to_get_drunk","I_like_the_taste_of_the_alcohol","I_drink_help_me_sleep","Drinking_interferes_with_my_relationships","I_frequently_visit_bars")~1
    nes1 = poLCA(f,lca1,nclass=1) # log-likelihood: 
    nes2 = poLCA(f,lca1,nclass=2) # log-likelihood: 
    nes3 = poLCA(f,lca1,nclass=3) # log-likelihood: 
    nes4 = poLCA(f,lca1,nclass=4) # log-likelihood: 

Answer 1

這是一個舊帖子，但我正在回復未來的案例（我剛剛遇到了同樣的問題）

它應該像定義不帶引號的公式一樣簡單：

f=cbind(I_like_to_drink,I_drink_hard_liquor,I_have_drank_in_the_morning,I_have_drank_in_the_work,I_drink_to_get_drunk,I_like_the_taste_of_the_alcohol,I_drink_help_me_sleep,Drinking_interferes_with_my_relationships,I_frequently_visit_bars)~1