This category is created to ask questions, discuss the solutions and help each other to solve practice problem recommendation engine.

# About the Practice_Recommendation category

Hi,

Is this a classification or regression problem? I have just started solving the practice problems…

TIA

**nanddeep**#3

Hi,

Regression means to predict the output value using training data. Classification means to group the output into a class.

Hence, this is a regression problem.

**shouryap92**#4

No, since we are predicting the category range, it is considered as classification problem. Even if the final output is a number, the underlying part is a categorical variable, i.e. it belongs to a particular category.

**paras42**#5

How to treat the missing values in problem_data where all the three fields- ‘level_type’,‘points’,‘tags’ all are missing?