Jane Sully questions

• How to use groupby on a single column and perform comparisons for multiple columns in Pandas?
• How to encode emojis that are in text with Python/pandas (for counting them/finding most frequently occurring, etc)?
• How to index dataframe column inside a function in R
• Mapping values in a numpy array
• Custom loss function in Keras that penalizes output from intermediate layer
• How to do a weighted sum when using groupBy in pandas
• Filtering tokens by frequency using filter_extremes in Gensim
• How to change value for rows that meet specific conditions in pandas?
• How to load data in tensorflow from subdirectories
• Converting into date-time format in pandas?

Jane Sully answers