Matt Dancho questions

Matt Dancho answers

• Is there an "ungroup by" operation opposite to .groupby in pandas?
• Separate a column into new columns based on the number of leading spaces
• R: Converting output from getSymbols() to data frame in one command without calling the object name explicitly
• How to create business ready reports from jupyter notebooks?
• Warning: Mutate_impl(.data, dots): Unequal factor levels: coercing to character
• Implementation of LIME on h2o modelling in R
• How can I calculate the percentage change within a group for multiple columns in R?
• How to extract sheet names from Excel file in R
• Categorize numeric variable with mutate
• Efficiently sum across multiple columns in R