I'm using Spring Boot with JPA and a Db2 database on an AS400 server. When I inspect the result of a SELECT statement using the debugger tool, the value stored
Transaction ID Items 1 {A, C, D} 2 {B, C, E} 3 {A, B, C, E} 4 {B, E} 5 {A, B, C, E} Minimum support
I am frequently needing to calculate mean and standard deviation for numeric arrays. So I've written a small protocol and extensions for numeric types that seem
I tried to make a linear regression with the lm function, but the output is NA for every independent variable. The dataframe is numeric. I have already tried t