I tried converting Demographic.E4 allele to a factor with 2 levels (as opposed to a character variable) and I still was getting the same error. Please note, there are no NA’s in this variable:
summary(ImputesAmyloid$Demographic.E4 allele)
No Yes
173 51
I then tried to recreate the error using the states dataset from R and I couldn’t. I used this code and it ran fine:
states = as.data.frame(state.x77)
states$murdercat = states$Murder
states$murdercat= as.factor(ifelse(states$Murder <= 5, "Low",
ifelse(states$Murder > 5, "High", NA)))
test = moderation1(y = "Income",
x = "Illiteracy",
m = "murdercat",
cvs = "Frost",
df = states,
with_out = T)
I so I created a new ‘categorical’ variable in my dataset (even though Demographic.E4 allele was already categorical):
ImputesAmyloid$allelecat = ImputesAmyloid$Demographic.E4 allele
ImputesAmyloid$allelecat = as.factor(ifelse(ImputesAmyloid$Demographic.E4 allele == "No", "No",
ifelse(ImputesAmyloid$Demographic.E4 allele == "Yes", "Yes", NA)))
Then ran the model using the new variable and it ran fine.
From Kelsey Sewell:
Update:
I tried converting
Demographic.E4 allele
to a factor with 2 levels (as opposed to a character variable) and I still was getting the same error. Please note, there are no NA’s in this variable: summary(ImputesAmyloid$Demographic.E4 allele
) No Yes 173 51I then tried to recreate the error using the states dataset from R and I couldn’t. I used this code and it ran fine: states = as.data.frame(state.x77) states$murdercat = states$Murder states$murdercat= as.factor(ifelse(states$Murder <= 5, "Low", ifelse(states$Murder > 5, "High", NA))) test = moderation1(y = "Income", x = "Illiteracy", m = "murdercat", cvs = "Frost", df = states, with_out = T)
I so I created a new ‘categorical’ variable in my dataset (even though
Demographic.E4 allele
was already categorical): ImputesAmyloid$allelecat = ImputesAmyloid$Demographic.E4 allele
ImputesAmyloid$allelecat = as.factor(ifelse(ImputesAmyloid$Demographic.E4 allele
== "No", "No", ifelse(ImputesAmyloid$Demographic.E4 allele
== "Yes", "Yes", NA)))Then ran the model using the new variable and it ran fine.
I really have no idea why this worked as
Demographic.E4 allele
andallelecat
appear to be exactly the same?The only difference I can think of is that
Demographic.E4 allele
was read in from excel using the readxl package, whereasallelecat
wasn’t.