fix: Fix the bug in heatmap plot (#58)

* Fix the bug in heatmap plot

Author: jakwisn

.github/workflows/R-CMD-check.yaml

@@ -35,15 +35,11 @@ jobs:
           - {os: windows-latest, r: '4.1'}
           - {os: windows-latest, r: '4.0'}
           - {os: windows-latest, r: '3.6'}
-          - {os: windows-latest, r: '3.5'}
           - {os: macOS-latest,   r: '4.1'}
           - {os: macOS-latest,   r: '4.0'}
-          - {os: macOS-latest,   r: '3.6'}
           - {os: ubuntu-18.04, r: '4.1', vdiffr: true,  xref: true, rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
           - {os: ubuntu-18.04, r: '4.0', vdiffr: true,  xref: true, rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
           - {os: ubuntu-18.04, r: '3.6', vdiffr: true,  xref: true, rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
-          - {os: ubuntu-18.04, r: '3.5', vdiffr: true,  xref: true, rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
-
 
     env:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: fairmodels
 Type: Package
 Title: Flexible Tool for Bias Detection, Visualization, and Mitigation
-Version: 1.2.1
+Version: 1.2.2
 Authors@R:
     c(person("Jakub", "Wiśniewski", role = c("aut", "cre"),
              email = "[email protected]"),
@@ -28,7 +28,7 @@ Suggests:
     spelling,
     ggdendro, 
     ggrepel, 
-RoxygenNote: 7.1.1.9001
+RoxygenNote: 7.3.3
 VignetteBuilder: knitr
 URL: https://fairmodels.drwhy.ai/
 BugReports: https://github.com/ModelOriented/fairmodels/issues

NEWS.md

@@ -1,3 +1,6 @@
+# fairmodels 1.2.2 
+* changed ifelse to if else statement in `fairness_heatmap` as per https://github.com/ModelOriented/fairmodels/issues/57
+
 # fairmodels 1.2.1
 * changed link to *codecov* in `README.md`
 * changed `class(x) == 'fairness_regression_object` to `inherits(x, "fairness_regression_object")` in `plot_density.R` according to CRAN comments

R/plot_fairness_heatmap.R

@@ -14,7 +14,7 @@
 #' @param flip_axis logical, whether to change axis with metrics on axis with models
 #' @param text_size numeric, size of text
 #'
-#' @return list of \code{ggplot2} objects
+#' @return ggplot object with the combined heatmap and dendograms
 #'
 #' @import patchwork
 #' @import ggplot2
@@ -166,10 +166,12 @@ plot.fairness_heatmap <- function(x, ...,
   data$score <- as.numeric(data$score)
 
   # heatmap
-  ifelse(!flip_axis,
-    p <- ggplot(data, aes(parity_loss_metric, model, fill = score)),
+  if(!flip_axis) {
+    p <- ggplot(data, aes(parity_loss_metric, model, fill = score))
+    
+  } else {
     p <- ggplot(data, aes(model, parity_loss_metric, fill = score))
-  )
+  }
 
   heatmap <- p + geom_tile(
     colour = "white",
@@ -199,15 +201,17 @@ plot.fairness_heatmap <- function(x, ...,
     )
   }
 
-  ifelse(!flip_axis,
-    dendogram_right <- dendogram_model + coord_flip(),
+  if (!flip_axis) {
+    dendogram_right <- dendogram_model + coord_flip()
+  } else {
     dendogram_right <- dendogram_metric + coord_flip()
-  )
+  }
 
-  ifelse(!flip_axis,
-    dendogram_top <- dendogram_metric,
+  if (!flip_axis) {
+    dendogram_top <- dendogram_metric
+  } else {
     dendogram_top <- dendogram_model
-  )
+  }
 
   # adding title
   dendogram_top <- dendogram_top +
@@ -216,11 +220,13 @@ plot.fairness_heatmap <- function(x, ...,
     )
 
   # Plot layout
-  dendogram_top + plot_spacer() +
+  final_plot <- (dendogram_top + plot_spacer() +
     heatmap + dendogram_right +
     patchwork::plot_layout(
       ncol = 2,
       widths = c(1, 0.4),
       heights = c(0.4, 1)
-    )
+    ))
+
+  return(final_plot)
 }