MayaGans questions

• replace string with undefined within an array of objects
• Use Shiny to choose column, equality, and value to filter by conditions
• Sortable JS delete item using button click
• tidyr spread values values from two columns (and rename columns)
• Create dplyr statements to later be evaluated in R
• D3: Map Zoom scaled by points
• Tidyeval evaluate case_when
• dplyr mutate: create column using first occurrence of another column
• Subset list of dataframes containing specific column name
• Right align the rowname_col in gt

MayaGans answers