mql4beginner questions

• How can I use SOM algorithm for classification prediction
• How to correctly use as.POSIXct function inside a cat function
• How to to add a new column that will count the number of duplicates value from a specific column
• Make sampling run faster
• How can I tell h2o deep learning grid to have AUC instead of residual deviance
• How can I change all factor variables into numeric variables in a bulk [duplicate]
• How to remove specific columns when doing a logistic regression on all variables
• Why mean function doesn't work with ave function
• How to use parRF method so random forest will run faster
• How to import fundamentals for stocks by using Quandl package

mql4beginner answers