add new eval files

content/exercises/_index.md

@@ -11,7 +11,7 @@ __Exercises for Chapters 1-10 (LMU Lecture I2ML):__
 | Exercise 3   | [Classification I](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/supervised-classification/classification_1.html) | | [Exercise](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/classification_1_ex.pdf), [Solution](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/classification_1_all.pdf) |
 | Exercise 4   | [Classification II](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/supervised-classification/classification_2.html) | [R solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/supervised-classification/sol_classification_2_R.ipynb), [Python solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/supervised-classification/sol_classification_2_py.ipynb) | [Exercise](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/classification_2_ex.pdf), [Solution](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/classification_2_all.pdf) |
 | Exercise 5   | [Evaluation I](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/evaluation/evaluation_1.html) | [R solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/evaluation/sol_eval_1_R.ipynb),  [Python solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/evaluation/sol_eval_1_py.ipynb)  | [Exercise](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/evaluation_1_ex.pdf), [Solution](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/evaluation_1_all.pdf) |
-| Exercise 6   | Evaluation II | R solution,  [Python solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/evaluation/sol_eval_2_py.ipynb) | [Exercise](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/ex_eval_2.pdf), [Solution](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/sol_eval_2.pdf)  |
+| Exercise 6   | [Evaluation II](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/evaluation/evaluation_1.html) | [R solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/evaluation/sol_eval_2_R.ipynb),  [Python solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/evaluation/sol_eval_2_py.ipynb) | [Exercise](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/evaluation_2_ex.pdf), [Solution](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/evaluation_2_all.pdf)  |
 | Exercise 7   | Evaluation III | R solution, [Python solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/evaluation/sol_eval_3_py.ipynb) | [Exercise](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/ex_eval_3.pdf), [Solution](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/sol_eval_3.pdf) |
 | Exercise 8   | CART | R solution, [Python solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/trees/sol_trees_py.ipynb) | [Exercise](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/ex_trees.pdf), [Solution](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/sol_trees.pdf) |
 | Exercise 9   | Random forests | R solution, [Python solution](https://github.com/slds-lmu/lecture_i2ml/blob/master/exercises/forests/sol_forests_py.ipynb)  | [Exercise](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/ex_forests.pdf), [Solution](https://github.com/slds-lmu/lecture_i2ml/raw/master/exercises-pdf/sol_forests.pdf) |