LucasMation questions

• Optimize large ST_Intersect query, match 1.8m OSM streets to 317k polygons
• R: piping (%>%) not working with round(). Ex: 136/13.00 %>% round() = 10.46154
• R read.csv data from inline string with a csv file content
• Visualizing graph/network with 3 layeres (tripartite) in R/igraph
• How to merge lists of vectors based on one vector belonging to another vector?
• Add visitor count and analytics to R blogdown > netlify housted website
• Rename variable names in dplyr based on vectors new_varname, old_varname [duplicate]
• Remove trailing (last) rows with NAs in all columns
• Create flag indicating if year variable is in the range of start:end variables in data.table
• Break string into several columns using tidyr::extract regex

LucasMation answers