changes according to CRAN comments

NEWS.md

@@ -1,4 +1,6 @@
 # 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
 * changed CITATION file (added reference to the RJournal)
 * fix for https://github.com/ModelOriented/fairmodels/issues/49
 * fix for https://github.com/ModelOriented/fairmodels/issues/48

R/plot_density.R

@@ -46,7 +46,7 @@ plot_density <- function(x, ...) {
   }
 
   limits <- c(0, 1)
-  if (class(x) == "fairness_regression_object") limits <- NULL
+  if (inherits(x, "fairness_regression_object")) limits <- NULL
 
   probability <- protected <- label <- NULL
   p <- ggplot(density_data, aes(probability, protected)) +
@@ -64,7 +64,7 @@ plot_density <- function(x, ...) {
     ggtitle("Density plot") +
     facet_grid(rows = vars(label))
 
-  if (class(x) == "fairness_regression_object") {
+  if (inherits(x, "fairness_regression_object")) {
     p <- p + xlab("predicted values")
   }
 

README.md

@@ -1,7 +1,7 @@
 # fairmodels  <img src="man/figures/logo.png" align="right" width="150"/>
 
   <!-- badges: start -->
-  [![Codecov test coverage](https://codecov.io/gh/ModelOriented/fairmodels/branch/master/graph/badge.svg)](https://codecov.io/gh/ModelOriented/fairmodels?branch=master)
+  [![Codecov test coverage](https://codecov.io/gh/ModelOriented/fairmodels/branch/master/graph/badge.svg)](https://app.codecov.io/gh/ModelOriented/fairmodels?branch=master)
   [![R build status](https://github.com/ModelOriented/fairmodels/workflows/R-CMD-check/badge.svg)](https://github.com/ModelOriented/fairmodels/actions)
    [![CRAN](https://www.r-pkg.org/badges/version/fairmodels)](https://cran.r-project.org/package=fairmodels)
    ![Downloads](https://cranlogs.r-pkg.org/badges/fairmodels)