Lessons from running Neo4j based 'hackathons'
· neo4j

Conceptual Model vs Graph Model
· modeling

R: A first attempt at linear regression
· r-2 rstats

Neo4j: Generic/Vague relationship names
· neo4j

PostgreSQL: ERROR: column does not exist
· software-development

R: Deriving a new data frame column based on containing string
· r-2 rstats

R: Filtering data frames by column type ('x' must be numeric)
· r-2 rstats

Neo4j: COLLECTing multiple values (Too many parameters for function 'collect')
· neo4j

Neo4j: LOAD CSV - Column is null
· neo4j

R: ggplot - Plotting multiple variables on a line chart
· r-2 rstats