default branch was renamed from master to main

Author: MalteKurz

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,5 +1,5 @@
 Thanks for contributing to DoubleML.
-Before submitting a PR, please take a look at our [contribution guidelines](https://github.com/DoubleML/doubleml-for-r/blob/master/CONTRIBUTING.md).
+Before submitting a PR, please take a look at our [contribution guidelines](https://github.com/DoubleML/doubleml-for-r/blob/main/CONTRIBUTING.md).
 Additionally, please fill out the PR checklist below.
 
 ### Description
@@ -14,11 +14,11 @@ Here you can add further comments.
 You can also delete this section, if it is not necessary.
 
 ### PR Checklist
-Please fill out this PR checklist (see our [contributing guidelines](https://github.com/DoubleML/doubleml-for-r/blob/master/CONTRIBUTING.md#checklist-for-pull-requests-pr) for details).
+Please fill out this PR checklist (see our [contributing guidelines](https://github.com/DoubleML/doubleml-for-r/blob/main/CONTRIBUTING.md#checklist-for-pull-requests-pr) for details).
 
 - [ ] The title of the pull request summarizes the changes made.
 - [ ] The PR contains a detailed description of all changes and additions.
 - [ ] References to related issues or PRs are added.
-- [ ] The code passes `R CMD check` and all (unit) tests (see our [contributing guidelines](https://github.com/DoubleML/doubleml-for-r/blob/master/CONTRIBUTING.md#checklist-for-pull-requests-pr) for details).
+- [ ] The code passes `R CMD check` and all (unit) tests (see our [contributing guidelines](https://github.com/DoubleML/doubleml-for-r/blob/main/CONTRIBUTING.md#checklist-for-pull-requests-pr) for details).
 - [ ] Enhancements or new feature are equipped with unit tests.
-- [ ] The changes adhere to the "mlr-style" standards (see our [contributing guidelines](https://github.com/DoubleML/doubleml-for-r/blob/master/CONTRIBUTING.md#checklist-for-pull-requests-pr) for details).
+- [ ] The changes adhere to the "mlr-style" standards (see our [contributing guidelines](https://github.com/DoubleML/doubleml-for-r/blob/main/CONTRIBUTING.md#checklist-for-pull-requests-pr) for details).

.github/workflows/check_styler.yml

@@ -4,10 +4,10 @@ name: Check style guidelines
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
   schedule:
     - cron: "0 9 * * 1,3,5"
   workflow_dispatch:

.github/workflows/deploy_docu.yml

@@ -5,7 +5,7 @@ name: CI deploy documentation
 on:
   push:
     branches:
-      - master
+      - main
   workflow_dispatch:
   release:
     types:
@@ -80,7 +80,7 @@ jobs:
       uses: JamesIves/github-pages-deploy-action@3.7.1
       with:
         REPOSITORY_NAME: DoubleML/doubleml.github.io
-        BRANCH: master
+        BRANCH: main
         FOLDER: docs/dev
         TARGET_FOLDER: r/dev
         GIT_CONFIG_NAME: DoubleML Deploy Bot
@@ -96,7 +96,7 @@ jobs:
       uses: JamesIves/github-pages-deploy-action@3.7.1
       with:
         REPOSITORY_NAME: DoubleML/doubleml.github.io
-        BRANCH: master
+        BRANCH: main
         FOLDER: docs/dev
         TARGET_FOLDER: r/${{env.RELEASE_VERSION}}
         GIT_CONFIG_NAME: DoubleML Deploy Bot
@@ -109,7 +109,7 @@ jobs:
       uses: JamesIves/github-pages-deploy-action@3.7.1
       with:
         REPOSITORY_NAME: DoubleML/doubleml.github.io
-        BRANCH: master
+        BRANCH: main
         FOLDER: docs/dev
         TARGET_FOLDER: r/stable
         GIT_CONFIG_NAME: DoubleML Deploy Bot

.github/workflows/rcheck.yml

@@ -4,10 +4,10 @@ name: build
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
   schedule:
     - cron: "0 9 * * 1,3,5"
   workflow_dispatch:

README.Rmd

@@ -8,7 +8,7 @@ output: github_document
 
 
 [![build](https://github.com/DoubleML/doubleml-for-r/workflows/build/badge.svg)](https://github.com/DoubleML/doubleml-for-r/actions?query=workflow%3Abuild)
-[![codecov](https://codecov.io/gh/DoubleML/doubleml-for-r/branch/master/graph/badge.svg?token=C5aiyo2MVL)](https://app.codecov.io/gh/DoubleML/doubleml-for-r/)
+[![codecov](https://codecov.io/gh/DoubleML/doubleml-for-r/branch/main/graph/badge.svg?token=C5aiyo2MVL)](https://app.codecov.io/gh/DoubleML/doubleml-for-r/)
 [![CodeFactor](https://www.codefactor.io/repository/github/doubleml/doubleml-for-r/badge)](https://www.codefactor.io/repository/github/doubleml/doubleml-for-r)
 [![CRAN Version](https://www.r-pkg.org/badges/version/DoubleML)](https://cran.r-project.org/package=DoubleML)
 
@@ -84,9 +84,9 @@ remotes::install_github("DoubleML/doubleml-for-r")
 DoubleML is a community effort.
 Everyone is welcome to contribute.
 To get started for your first contribution we recommend reading our
-[contributing guidelines](https://github.com/DoubleML/doubleml-for-r/blob/master/CONTRIBUTING.md)
+[contributing guidelines](https://github.com/DoubleML/doubleml-for-r/blob/main/CONTRIBUTING.md)
 and our
-[code of conduct](https://github.com/DoubleML/doubleml-for-r/blob/master/CODE_OF_CONDUCT.md).
+[code of conduct](https://github.com/DoubleML/doubleml-for-r/blob/main/CODE_OF_CONDUCT.md).
 
 ## Citation
 

README.md

@@ -4,7 +4,7 @@
 # DoubleML - Double Machine Learning in R <a href="https://docs.doubleml.org"><img src="man/figures/logo.png" align="right" width = "120" /></a>
 
 [![build](https://github.com/DoubleML/doubleml-for-r/workflows/build/badge.svg)](https://github.com/DoubleML/doubleml-for-r/actions?query=workflow%3Abuild)
-[![codecov](https://codecov.io/gh/DoubleML/doubleml-for-r/branch/master/graph/badge.svg?token=C5aiyo2MVL)](https://app.codecov.io/gh/DoubleML/doubleml-for-r/)
+[![codecov](https://codecov.io/gh/DoubleML/doubleml-for-r/branch/main/graph/badge.svg?token=C5aiyo2MVL)](https://app.codecov.io/gh/DoubleML/doubleml-for-r/)
 [![CodeFactor](https://www.codefactor.io/repository/github/doubleml/doubleml-for-r/badge)](https://www.codefactor.io/repository/github/doubleml/doubleml-for-r)
 [![CRAN
 Version](https://www.r-pkg.org/badges/version/DoubleML)](https://cran.r-project.org/package=DoubleML)
@@ -106,9 +106,9 @@ remotes::install_github("DoubleML/doubleml-for-r")
 DoubleML is a community effort. Everyone is welcome to contribute. To
 get started for your first contribution we recommend reading our
 [contributing
-guidelines](https://github.com/DoubleML/doubleml-for-r/blob/master/CONTRIBUTING.md)
+guidelines](https://github.com/DoubleML/doubleml-for-r/blob/main/CONTRIBUTING.md)
 and our [code of
-conduct](https://github.com/DoubleML/doubleml-for-r/blob/master/CODE_OF_CONDUCT.md).
+conduct](https://github.com/DoubleML/doubleml-for-r/blob/main/CODE_OF_CONDUCT.md).
 
 ## Citation