diff --git a/NAMESPACE b/NAMESPACE
index 67add6a04..08f6bcc15 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -170,12 +170,14 @@ S3method(model_performance,censReg)
 S3method(model_performance,clm)
 S3method(model_performance,clm2)
 S3method(model_performance,coxph)
+S3method(model_performance,coxph_weightit)
 S3method(model_performance,default)
 S3method(model_performance,felm)
 S3method(model_performance,fixest)
 S3method(model_performance,fixest_multi)
 S3method(model_performance,flexsurvreg)
 S3method(model_performance,glm)
+S3method(model_performance,glm_weightit)
 S3method(model_performance,glmmTMB)
 S3method(model_performance,glmmadmb)
 S3method(model_performance,glmx)
@@ -197,9 +199,11 @@ S3method(model_performance,mixor)
 S3method(model_performance,mlogit)
 S3method(model_performance,model_fit)
 S3method(model_performance,multinom)
+S3method(model_performance,multinom_weightit)
 S3method(model_performance,negbinirr)
 S3method(model_performance,negbinmfx)
 S3method(model_performance,nestedLogit)
+S3method(model_performance,ordinal_weightit)
 S3method(model_performance,plm)
 S3method(model_performance,poissonirr)
 S3method(model_performance,poissonmfx)
diff --git a/R/model_performance.lm.R b/R/model_performance.lm.R
index c797b396f..0199b4ce4 100644
--- a/R/model_performance.lm.R
+++ b/R/model_performance.lm.R
@@ -3,10 +3,10 @@
 #' Compute indices of model performance for regression models.
 #'
 #' @param model A model.
-#' @param metrics Can be `"all"`, `"common"` or a character vector of
-#'   metrics to be computed (one or more of `"AIC"`, `"AICc"`, `"BIC"`, `"R2"`,
-#'   `"R2_adj"`, `"RMSE"`, `"SIGMA"`, `"LOGLOSS"`, `"PCP"`, `"SCORE"`).
-#'   `"common"` will compute AIC, BIC, R2 and RMSE.
+#' @param metrics Can be `"all"`, `"common"` or a character vector of metrics to
+#'   be computed (one or more of `"AIC"`, `"AICc"`, `"BIC"`, `"R2"`, `"R2_adj"`,
+#'   `"RMSE"`, `"SIGMA"`, `"LOGLOSS"`, `"PCP"`, `"SCORE"`). `"common"` will
+#'   compute AIC, BIC, R2 and RMSE.
 #' @param verbose Toggle off warnings.
 #' @param ... Arguments passed to or from other methods.
 #'
@@ -209,6 +209,18 @@ model_performance.lm_robust <- model_performance.lm
 #' @export
 model_performance.multinom <- model_performance.lm
 
+#' @export
+model_performance.multinom_weightit <- model_performance.lm
+
+#' @export
+model_performance.ordinal_weightit <- model_performance.lm
+
+#' @export
+model_performance.coxph_weightit <- model_performance.lm
+
+#' @export
+model_performance.glm_weightit <- model_performance.lm
+
 #' @export
 model_performance.plm <- model_performance.lm
 
diff --git a/R/r2_coxsnell.R b/R/r2_coxsnell.R
index 3db7197b7..36df504ec 100644
--- a/R/r2_coxsnell.R
+++ b/R/r2_coxsnell.R
@@ -8,12 +8,12 @@
 #' @param ... Currently not used.
 #'
 #' @details
-#' This index was proposed by *Cox and Snell (1989, pp. 208-9)* and,
-#' apparently independently, by *Magee (1990)*; but had been suggested
-#' earlier for binary response models by *Maddala (1983)*. However, this
-#' index achieves a maximum of less than 1 for discrete models (i.e. models
-#' whose likelihood is a product of probabilities) which have a maximum of 1,
-#' instead of densities, which can become infinite *(Nagelkerke, 1991)*.
+#' This index was proposed by *Cox and Snell (1989, pp. 208-9)* and, apparently
+#' independently, by *Magee (1990)*; but had been suggested earlier for binary
+#' response models by *Maddala (1983)*. However, this index achieves a maximum
+#' of less than 1 for discrete models (i.e. models whose likelihood is a product
+#' of probabilities) which have a maximum of 1, instead of densities, which can
+#' become infinite *(Nagelkerke, 1991)*.
 #'
 #' @return A named vector with the R2 value.
 #'
@@ -24,12 +24,12 @@
 #' @references
 #' - Cox, D. R., Snell, E. J. (1989). Analysis of binary data (Vol. 32).
 #'   Monographs on Statistics and Applied Probability.
-#' - Magee, L. (1990). R 2 measures based on Wald and likelihood ratio
-#'   joint significance tests. The American Statistician, 44(3), 250-253.
+#' - Magee, L. (1990). R 2 measures based on Wald and likelihood ratio joint
+#'   significance tests. The American Statistician, 44(3), 250-253.
 #' - Maddala, G. S. (1986). Limited-dependent and qualitative variables in
 #'   econometrics (No. 3). Cambridge university press.
-#' - Nagelkerke, N. J. (1991). A note on a general definition of the
-#'   coefficient of determination. Biometrika, 78(3), 691-692.
+#' - Nagelkerke, N. J. (1991). A note on a general definition of the coefficient
+#'   of determination. Biometrika, 78(3), 691-692.
 #'
 #' @export
 r2_coxsnell <- function(model, ...) {
diff --git a/man/check_dag.Rd b/man/check_dag.Rd
index 266a62ec7..c33444f60 100644
--- a/man/check_dag.Rd
+++ b/man/check_dag.Rd
@@ -129,7 +129,7 @@ adjustments or over-adjustment.
 }
 
 \examples{
-\dontshow{if (require("ggdag", quietly = TRUE) && require("dagitty", quietly = TRUE) && require("see", quietly = TRUE)) (if (getRversion() >= "3.4") withAutoprint else force)(\{ # examplesIf}
+\dontshow{if (require("ggdag", quietly = TRUE) && require("dagitty", quietly = TRUE) && require("see", quietly = TRUE) && packageVersion("see") > "0.8.5") (if (getRversion() >= "3.4") withAutoprint else force)(\{ # examplesIf}
 # no adjustment needed
 check_dag(
   y ~ x + b,
diff --git a/man/model_performance.lm.Rd b/man/model_performance.lm.Rd
index 208d9b1c4..11a820fff 100644
--- a/man/model_performance.lm.Rd
+++ b/man/model_performance.lm.Rd
@@ -9,10 +9,10 @@
 \arguments{
 \item{model}{A model.}
 
-\item{metrics}{Can be \code{"all"}, \code{"common"} or a character vector of
-metrics to be computed (one or more of \code{"AIC"}, \code{"AICc"}, \code{"BIC"}, \code{"R2"},
-\code{"R2_adj"}, \code{"RMSE"}, \code{"SIGMA"}, \code{"LOGLOSS"}, \code{"PCP"}, \code{"SCORE"}).
-\code{"common"} will compute AIC, BIC, R2 and RMSE.}
+\item{metrics}{Can be \code{"all"}, \code{"common"} or a character vector of metrics to
+be computed (one or more of \code{"AIC"}, \code{"AICc"}, \code{"BIC"}, \code{"R2"}, \code{"R2_adj"},
+\code{"RMSE"}, \code{"SIGMA"}, \code{"LOGLOSS"}, \code{"PCP"}, \code{"SCORE"}). \code{"common"} will
+compute AIC, BIC, R2 and RMSE.}
 
 \item{verbose}{Toggle off warnings.}
 
diff --git a/man/r2_coxsnell.Rd b/man/r2_coxsnell.Rd
index 2d53cb628..55dfaac1a 100644
--- a/man/r2_coxsnell.Rd
+++ b/man/r2_coxsnell.Rd
@@ -18,12 +18,12 @@ A named vector with the R2 value.
 Calculates the pseudo-R2 value based on the proposal from \emph{Cox & Snell (1989)}.
 }
 \details{
-This index was proposed by \emph{Cox and Snell (1989, pp. 208-9)} and,
-apparently independently, by \emph{Magee (1990)}; but had been suggested
-earlier for binary response models by \emph{Maddala (1983)}. However, this
-index achieves a maximum of less than 1 for discrete models (i.e. models
-whose likelihood is a product of probabilities) which have a maximum of 1,
-instead of densities, which can become infinite \emph{(Nagelkerke, 1991)}.
+This index was proposed by \emph{Cox and Snell (1989, pp. 208-9)} and, apparently
+independently, by \emph{Magee (1990)}; but had been suggested earlier for binary
+response models by \emph{Maddala (1983)}. However, this index achieves a maximum
+of less than 1 for discrete models (i.e. models whose likelihood is a product
+of probabilities) which have a maximum of 1, instead of densities, which can
+become infinite \emph{(Nagelkerke, 1991)}.
 }
 \examples{
 model <- glm(vs ~ wt + mpg, data = mtcars, family = "binomial")
@@ -34,11 +34,11 @@ r2_coxsnell(model)
 \itemize{
 \item Cox, D. R., Snell, E. J. (1989). Analysis of binary data (Vol. 32).
 Monographs on Statistics and Applied Probability.
-\item Magee, L. (1990). R 2 measures based on Wald and likelihood ratio
-joint significance tests. The American Statistician, 44(3), 250-253.
+\item Magee, L. (1990). R 2 measures based on Wald and likelihood ratio joint
+significance tests. The American Statistician, 44(3), 250-253.
 \item Maddala, G. S. (1986). Limited-dependent and qualitative variables in
 econometrics (No. 3). Cambridge university press.
-\item Nagelkerke, N. J. (1991). A note on a general definition of the
-coefficient of determination. Biometrika, 78(3), 691-692.
+\item Nagelkerke, N. J. (1991). A note on a general definition of the coefficient
+of determination. Biometrika, 78(3), 691-692.
 }
 }