prray
'Promisified' Array, it compatible with the original Array but comes with async versions of native Array methods, such as `mapAsync`, `filterAsync`, `reduceAsync`, `sortAsync`, `findAsync`, `findIndexAsync`, `everyAsync`, `someAsync`, `forEachAsync`...
write-file-p
Create the directory structure and then create the file.
chi-square-p-value
Find Chi Square, P-value, Degree of Freedom, adjusted residual values of a contingency Table ie, two dimensional array