High order interactions in R lavaan
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I'm trying to estimate models with three-way interactions in R lavaan using the syntax terms operator : (which works fine with two-way interactions). It seems that lavaan ignores the three-way interaction.
To reproduce the problem, one can use
library(lavaan)
f1<-"y~x1+x2+x3+x1:x2+x2:x3+x1:x2:x3"
lavParseModelString(f1)
$rhs
[1] "x1" "x2" "x3" "x1:x2" "x2:x3"
Am I missing something?
r r-lavaan
edited Nov 9 at 11:11
Sven Hohenstein
64.7k1297128
asked Nov 9 at 10:58
mcfanda
11
add a comment |
up vote
0
down vote
favorite
I'm trying to estimate models with three-way interactions in R lavaan using the syntax terms operator : (which works fine with two-way interactions). It seems that lavaan ignores the three-way interaction.
To reproduce the problem, one can use
library(lavaan)
f1<-"y~x1+x2+x3+x1:x2+x2:x3+x1:x2:x3"
lavParseModelString(f1)
$rhs
[1] "x1" "x2" "x3" "x1:x2" "x2:x3"
Am I missing something?
r r-lavaan
edited Nov 9 at 11:11
Sven Hohenstein
64.7k1297128
asked Nov 9 at 10:58
mcfanda
11
add a comment |
up vote
0
down vote
favorite
up vote
0
down vote
favorite
I'm trying to estimate models with three-way interactions in R lavaan using the syntax terms operator : (which works fine with two-way interactions). It seems that lavaan ignores the three-way interaction.
To reproduce the problem, one can use
library(lavaan)
f1<-"y~x1+x2+x3+x1:x2+x2:x3+x1:x2:x3"
lavParseModelString(f1)
$rhs
[1] "x1" "x2" "x3" "x1:x2" "x2:x3"
Am I missing something?
r r-lavaan
edited Nov 9 at 11:11
Sven Hohenstein
64.7k1297128
asked Nov 9 at 10:58
mcfanda
11
I'm trying to estimate models with three-way interactions in R lavaan using the syntax terms operator : (which works fine with two-way interactions). It seems that lavaan ignores the three-way interaction.
To reproduce the problem, one can use
library(lavaan)
f1<-"y~x1+x2+x3+x1:x2+x2:x3+x1:x2:x3"
lavParseModelString(f1)
$rhs
[1] "x1" "x2" "x3" "x1:x2" "x2:x3"
Am I missing something?
r r-lavaan
r r-lavaan
edited Nov 9 at 11:11
Sven Hohenstein
64.7k1297128
asked Nov 9 at 10:58
mcfanda
11
edited Nov 9 at 11:11
Sven Hohenstein
64.7k1297128
asked Nov 9 at 10:58
mcfanda
11
edited Nov 9 at 11:11
Sven Hohenstein
64.7k1297128
edited Nov 9 at 11:11
Sven Hohenstein
64.7k1297128
edited Nov 9 at 11:11
Sven Hohenstein
64.7k1297128
64.7k1297128
asked Nov 9 at 10:58
mcfanda
11
asked Nov 9 at 10:58
mcfanda
11
asked Nov 9 at 10:58
mcfanda
11
11
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
up vote
0
down vote
I have only used Lavaan a few times, but have you tried to create the interaction term and inserting it into the model? I am assuming these are observed variables because the ":" works for observed but not latent variables. i.e.,
interaction <- x1*x2*x3
f1 <- "y ~ x1 + x2 + x3 + x1:x2 + x2:x3 + interaction"
I do not know why the ":" does not work for three way interactions. Also, good luck interpreting your three-way interaction!
answered Nov 9 at 13:43
Andrew
726
Yes, of course, you can create the interaction term by multiplication. I was interested in the ":" operator, because I need it for estimating models in a programmatic way (within other functions). Thanks anyway for the reply.
– mcfanda
Nov 10 at 20:06
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
0
down vote
I have only used Lavaan a few times, but have you tried to create the interaction term and inserting it into the model? I am assuming these are observed variables because the ":" works for observed but not latent variables. i.e.,
interaction <- x1*x2*x3
f1 <- "y ~ x1 + x2 + x3 + x1:x2 + x2:x3 + interaction"
I do not know why the ":" does not work for three way interactions. Also, good luck interpreting your three-way interaction!
answered Nov 9 at 13:43
Andrew
726
Yes, of course, you can create the interaction term by multiplication. I was interested in the ":" operator, because I need it for estimating models in a programmatic way (within other functions). Thanks anyway for the reply.
– mcfanda
Nov 10 at 20:06
add a comment |
up vote
0
down vote
I have only used Lavaan a few times, but have you tried to create the interaction term and inserting it into the model? I am assuming these are observed variables because the ":" works for observed but not latent variables. i.e.,
interaction <- x1*x2*x3
f1 <- "y ~ x1 + x2 + x3 + x1:x2 + x2:x3 + interaction"
I do not know why the ":" does not work for three way interactions. Also, good luck interpreting your three-way interaction!
answered Nov 9 at 13:43
Andrew
726
Yes, of course, you can create the interaction term by multiplication. I was interested in the ":" operator, because I need it for estimating models in a programmatic way (within other functions). Thanks anyway for the reply.
– mcfanda
Nov 10 at 20:06
add a comment |
up vote
0
down vote
up vote
0
down vote
I have only used Lavaan a few times, but have you tried to create the interaction term and inserting it into the model? I am assuming these are observed variables because the ":" works for observed but not latent variables. i.e.,
interaction <- x1*x2*x3
f1 <- "y ~ x1 + x2 + x3 + x1:x2 + x2:x3 + interaction"
I do not know why the ":" does not work for three way interactions. Also, good luck interpreting your three-way interaction!
answered Nov 9 at 13:43
Andrew
726
I have only used Lavaan a few times, but have you tried to create the interaction term and inserting it into the model? I am assuming these are observed variables because the ":" works for observed but not latent variables. i.e.,
interaction <- x1*x2*x3
f1 <- "y ~ x1 + x2 + x3 + x1:x2 + x2:x3 + interaction"
I do not know why the ":" does not work for three way interactions. Also, good luck interpreting your three-way interaction!
answered Nov 9 at 13:43
Andrew
726
answered Nov 9 at 13:43
Andrew
726
answered Nov 9 at 13:43
Andrew
726
answered Nov 9 at 13:43
Andrew
726
726
Yes, of course, you can create the interaction term by multiplication. I was interested in the ":" operator, because I need it for estimating models in a programmatic way (within other functions). Thanks anyway for the reply.
– mcfanda
Nov 10 at 20:06
add a comment |
Yes, of course, you can create the interaction term by multiplication. I was interested in the ":" operator, because I need it for estimating models in a programmatic way (within other functions). Thanks anyway for the reply.
– mcfanda
Nov 10 at 20:06
Yes, of course, you can create the interaction term by multiplication. I was interested in the ":" operator, because I need it for estimating models in a programmatic way (within other functions). Thanks anyway for the reply.
– mcfanda
Nov 10 at 20:06
Yes, of course, you can create the interaction term by multiplication. I was interested in the ":" operator, because I need it for estimating models in a programmatic way (within other functions). Thanks anyway for the reply.
– mcfanda
Nov 10 at 20:06
add a comment |
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