df1 %>% filter(data1 %in% df2$data2) # Here example from SIMBA. Too many results in HbA1c, Weight data contains only completers. HbA1c_hem_final %>% filter(allocation_no %in% weight_data$allocation_no)
df1 %>% filter(data1 %in% df2$data2) # Here example from SIMBA. Too many results in HbA1c, Weight data contains only completers. HbA1c_hem_final %>% filter(allocation_no %in% weight_data$allocation_no)