Facebook Volume prediction

Need to do the below for a given data set - Looking for R Code Development

4. DATA PRE-PROCESSING.................................................................................................................... 

4.1 Variable Data Type Transformation:.............................................................................................  

4.2 Removal of unwanted variables:..................................................................................................  

4.3 Missing Value Treatment:............................................................................................................  

4.4 Data split into test and train:........................................................................................................  

4.5 Outlier treatment:.......................................................................................................................  

5. ANALYTICAL APPROACH:..................................................................................................................  

5.1 Model Building, Validation and Tuning..........................................................................................  

6. MODELLING PROCESS.......................................................................................................................  

7. MODEL COMPARISONS....................................................................................................................  

1. Feature Selection using different methods:...................................................................................  

2. Model Comparison after Feature Selection:...................................................................................  

3. Model Comparison after Dimension Reduction: