diff --git a/README.md b/README.md
index 7153ec481db7627487253105cd870ddda2301c1c..69f705ebe90ccd828d22f7a254891a1cc3f2afbc 100644
--- a/README.md
+++ b/README.md
@@ -101,4 +101,5 @@ Non functional (expected values are $`5.085`$ and $`-0.1156`$)
 | R        |            4.1.2 | ggplot2_3.3.5                                                  | Rstudio | Windows 10 x64 (build 19043) | Identical | Identical | Identical | Identical | Identical | [Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/b0405a09a27327d6e3545e5f2dda1080/mooc-rr/blob/master/module4/src_R_challenger.Rmd) [pdf](https://app-learninglab.inria.fr/moocrr/gitlab/b0405a09a27327d6e3545e5f2dda1080/mooc-rr/blob/master/module4/src_R_challenger.pdf) | b0405a09a27327d6e3545e5f2dda1080 |
 | Python   |            3.10.4 | matplotlib 3.6.2 numpy 1.23.4 pandas 1.5.1 statsmodel 0.13.5 seaborn 0.12.1 | Jupyter | Windows 10.0.19044 -64 bits | Identical | Identical | Identical | similar (only shows the centre, one curve is missing) | Identical  | [ipynd](https://app-learninglab.inria.fr/moocrr/gitlab/cd14a147b0da33832541d809c98985f6/mooc-rr/blob/master/module4/challenger_src.ipynb) | cd14a147b0da33832541d809c98985f6
 | R        | 4.2.2                  | ggplot2_3.4.2                                                                           | Rstudio            | Windows 10 -64 bits                           | Identical                                                 | Identical                                                            | Identical                       | Identical                                             | Identical                                   | [Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/feb2301522924f68234e7a552680f397/mooc-rr/blob/master/module4/src_R_challenger.Rmd)                                                                                                                                                                                                                                                                   | feb2301522924f68234e7a552680f397                                                 |
-| R        |            4.3.0 | ggplot2_3.4.2                                                 | RStudio | Windows 10 Professionnel Version 21H2 build 19044.2846    | Identical                                | Identical                                 | Identical                    | Identical | Identical    | [Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/99e00f0a4b6f09cd7f5dcbddefe4902f/mooc-rr/blob/master/module4/src_R_challenger.Rmd)| 99e00f0a4b6f09cd7f5dcbddefe4902f  |
\ No newline at end of file
+| R        |            4.3.0 | ggplot2_3.4.2                                                 | RStudio | Windows 10 Professionnel Version 21H2 build 19044.2846    | Identical                                | Identical                                 | Identical                    | Identical | Identical    | [Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/99e00f0a4b6f09cd7f5dcbddefe4902f/mooc-rr/blob/master/module4/src_R_challenger.Rmd)| 99e00f0a4b6f09cd7f5dcbddefe4902f  |
+|R         |4.3.0             | base R                                                        |RStudio  | Windows 10 x64 (build 19045) | Identical                                   | Identical                                 | Identical                   | Similar | Similar | [Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/37f7e9fa9cf3492510b33122d39127ec/mooc-rr/blob/master/module4/challenger.Rmd) | 37f7e9fa9cf3492510b33122d39127ec |
\ No newline at end of file