diff --git a/photonai/examples/Investigator.py b/photonai/examples/Investigator.py new file mode 100644 index 00000000..e69de29b diff --git a/photonai/examples/custom_estimator.py b/photonai/examples/custom_estimator.py new file mode 100644 index 00000000..e69de29b diff --git a/photonai/examples/custom_transformer.py b/photonai/examples/custom_transformer.py new file mode 100644 index 00000000..e69de29b