fix for POSIXct class columns eventDateTime insertDateTime which can cause problems
working and refactor getPRTables.R
preprocessPRTables.R working now
fix interpolate, start testAnalysis to look at collating all datasets and basic classification
working from home, bug in new interp cols. needs fixing
refactor the preprocessPRTables.R interp.data function, move subseting bit out of this func
fix preprocessPRTables.R interp.data func. && add some trial data cleaning steps for bad SleepWake classification
start Naive Bayes classifier test for SleepWake from p vars