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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,88 +1,88 @@ | ||
| #' @title Fit and plot CFA simultaneously | ||
| #' | ||
| #' @description Prints and saves CFA fit, as well as plots CFA factor loadings, | ||
| #' simultaneously. | ||
| #' | ||
| #' @param model CFA model to fit. | ||
| #' @param data Data set on which to fit the CFA model. | ||
| #' @param covs Logical, whether to include covariances on the lavaan plot. | ||
| #' @param estimator What estimator to use for the CFA. | ||
| #' @param ... Arguments to be passed to function [lavaan::cfa]. | ||
| #' @param remove.items Optional, if one wants to remove items from the CFA model | ||
| #' without having to redefine it completely again. | ||
| #' @param print Logical, whether to print model summary to console. | ||
| #' @param save.as.pdf Logical, whether to save as PDF for a high-resolution, | ||
| #' scalable vector graphic quality plot. Defaults to | ||
| #' saving to the "/model" subfolder of the working | ||
| #' directory. If it doesn't exist, it creates it. Then | ||
| #' automatically open the created PDF in the default | ||
| #' browser. Defaults to false. | ||
| #' @param file.name Optional (when `save.as.pdf` is set to `TRUE`), if one | ||
| #' wants something different than the default file name. | ||
| #' It saves to pdf per default, so the .pdf extension | ||
| #' should not be specified as it will add it automatically. | ||
| #' @return The function returns a `lavaan` fit object. However, it also: prints | ||
| #' a summary of the `lavaan` fit object to the console, and; prints a | ||
| #' `lavaanPlot` of the `lavaan` fit object. | ||
| #' @export | ||
| #' @examplesIf requireNamespace("lavaan", quietly = TRUE) && requireNamespace("lavaanPlot", quietly = TRUE) | ||
| #' x <- paste0("x", 1:9) | ||
| #' (latent <- list( | ||
| #' visual = x[1:3], | ||
| #' textual = x[4:6], | ||
| #' speed = x[7:9] | ||
| #' )) | ||
| #' | ||
| #' HS.model <- write_lavaan(latent = latent) | ||
| #' cat(HS.model) | ||
| #' | ||
| #' library(lavaan) | ||
| #' fit <- cfa_fit_plot(HS.model, HolzingerSwineford1939) | ||
| #' @import lavaan | ||
| #' @section Illustrations: | ||
| #' | ||
| #' \if{html}{ | ||
| #' \figure{cfaplot.png}{options: width="400"} | ||
| #' } | ||
|
|
||
| cfa_fit_plot <- function( | ||
| model, data, covs = FALSE, estimator = "MLR", remove.items = "", | ||
| print = TRUE, save.as.pdf = FALSE, file.name, ...) { | ||
| insight::check_if_installed("lavaanPlot") | ||
|
|
||
| if (missing(file.name) && isTRUE(save.as.pdf)) { | ||
| stop("To save as PDF, the file name must also be specified.") | ||
| } | ||
|
|
||
| # Remove requested items | ||
| if (!missing(remove.items)) { | ||
| remove.items0 <- paste0("\\s", remove.items, "\\s") | ||
| remove.items1 <- paste0(remove.items, collapse = " \\+ |") | ||
| remove.items1 <- paste0(remove.items1, " \\+") | ||
| remove.items2 <- paste0("\\+ ", remove.items0) | ||
| remove.items2 <- paste0(remove.items2, collapse = "|") | ||
| remove.items3 <- paste0(remove.items, " ", collapse = "|\\+ ") | ||
| model <- gsub("\n", " \n", model) | ||
| model <- gsub(remove.items1, "", model) | ||
| model <- gsub(remove.items2, "", model) | ||
| model <- gsub(remove.items3, "", model) | ||
| } | ||
| # Fit model | ||
| fit <- lavaan::cfa(model, data = data, estimator = estimator, ...) | ||
| if (isTRUE(print)) { | ||
| print(summary(fit, | ||
| standardized = TRUE, | ||
| fit.measures = TRUE, rsquare = TRUE | ||
| )) | ||
| } | ||
| # Plot the model | ||
| my.plot <- nice_lavaanPlot(fit, covs = covs) | ||
| # # Save file | ||
| if (!missing(file.name) && isTRUE(save.as.pdf)) { | ||
| lavaanPlot::embed_plot_pdf(my.plot, paste0(file.name, ".pdf")) | ||
| utils::browseURL(paste0(file.name, ".pdf")) | ||
| } else { | ||
| print(my.plot) | ||
| } | ||
| fit | ||
| } | ||
| #' @title Fit and plot CFA simultaneously | ||
| #' | ||
| #' @description Prints and saves CFA fit, as well as plots CFA factor loadings, | ||
| #' simultaneously. | ||
| #' | ||
| #' @param model CFA model to fit. | ||
| #' @param data Data set on which to fit the CFA model. | ||
| #' @param covs Logical, whether to include covariances on the lavaan plot. | ||
| #' @param estimator What estimator to use for the CFA. | ||
| #' @param ... Arguments to be passed to function [lavaan::cfa]. | ||
| #' @param remove.items Optional, if one wants to remove items from the CFA model | ||
| #' without having to redefine it completely again. | ||
| #' @param print Logical, whether to print model summary to console. | ||
| #' @param save.as.pdf Logical, whether to save as PDF for a high-resolution, | ||
| #' scalable vector graphic quality plot. Defaults to | ||
| #' saving to the "/model" subfolder of the working | ||
| #' directory. If it doesn't exist, it creates it. Then | ||
| #' automatically open the created PDF in the default | ||
| #' browser. Defaults to false. | ||
| #' @param file.name Optional (when `save.as.pdf` is set to `TRUE`), if one | ||
| #' wants something different than the default file name. | ||
| #' It saves to pdf per default, so the .pdf extension | ||
| #' should not be specified as it will add it automatically. | ||
| #' @return The function returns a `lavaan` fit object. However, it also: prints | ||
| #' a summary of the `lavaan` fit object to the console, and; prints a | ||
| #' `lavaanPlot` of the `lavaan` fit object. | ||
| #' @export | ||
| #' @examplesIf requireNamespace("lavaan", quietly = TRUE) && requireNamespace("lavaanPlot", quietly = TRUE) && requireNamespace("DiagrammeRsvg", quietly = TRUE) | ||
| #' x <- paste0("x", 1:9) | ||
| #' (latent <- list( | ||
| #' visual = x[1:3], | ||
| #' textual = x[4:6], | ||
| #' speed = x[7:9] | ||
| #' )) | ||
| #' | ||
| #' HS.model <- write_lavaan(latent = latent) | ||
| #' cat(HS.model) | ||
| #' | ||
| #' library(lavaan) | ||
| #' fit <- cfa_fit_plot(HS.model, HolzingerSwineford1939) | ||
| #' @import lavaan | ||
| #' @section Illustrations: | ||
| #' | ||
| #' \if{html}{ | ||
| #' \figure{cfaplot.png}{options: width="400"} | ||
| #' } | ||
|
|
||
| cfa_fit_plot <- function( | ||
| model, data, covs = FALSE, estimator = "MLR", remove.items = "", | ||
| print = TRUE, save.as.pdf = FALSE, file.name, ...) { | ||
| insight::check_if_installed("lavaanPlot") | ||
|
|
||
| if (missing(file.name) && isTRUE(save.as.pdf)) { | ||
| stop("To save as PDF, the file name must also be specified.") | ||
| } | ||
|
|
||
| # Remove requested items | ||
| if (!missing(remove.items)) { | ||
| remove.items0 <- paste0("\\s", remove.items, "\\s") | ||
| remove.items1 <- paste0(remove.items, collapse = " \\+ |") | ||
| remove.items1 <- paste0(remove.items1, " \\+") | ||
| remove.items2 <- paste0("\\+ ", remove.items0) | ||
| remove.items2 <- paste0(remove.items2, collapse = "|") | ||
| remove.items3 <- paste0(remove.items, " ", collapse = "|\\+ ") | ||
| model <- gsub("\n", " \n", model) | ||
| model <- gsub(remove.items1, "", model) | ||
| model <- gsub(remove.items2, "", model) | ||
| model <- gsub(remove.items3, "", model) | ||
| } | ||
| # Fit model | ||
| fit <- lavaan::cfa(model, data = data, estimator = estimator, ...) | ||
| if (isTRUE(print)) { | ||
| print(summary(fit, | ||
| standardized = TRUE, | ||
| fit.measures = TRUE, rsquare = TRUE | ||
| )) | ||
| } | ||
| # Plot the model | ||
| my.plot <- nice_lavaanPlot(fit, covs = covs) | ||
| # # Save file | ||
| if (!missing(file.name) && isTRUE(save.as.pdf)) { | ||
| lavaanPlot::embed_plot_pdf(my.plot, paste0(file.name, ".pdf")) | ||
| utils::browseURL(paste0(file.name, ".pdf")) | ||
| } else { | ||
| print(my.plot) | ||
| } | ||
| fit | ||
| } |
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