Changes in pems.utils 0.2.29 [2021-04-13]
========================================

*       fixed align, previous dropping constants 
*       tidied documents 


Changes in pems.utils 0.2.28 [2021-02-12]
========================================

*       added pems[[extra.pems.tags]] option 
*       updated pemsPlot, now uses panel.loa 
*       added cpe function, as prelim to 
        c.pems.element method
*       replaced cutBy... with ref... functions 
*       added panel.routePath
*       renumbered documentation
*       renamed binVSP... functions as refVSPBin functions 
*       added refX, refEngineOn, refDrivingMode
*       getPEMSElement update, drop name tracking option 
*       added provisional cold start code 
*       fixed refRow, now handling pems and elements 
        consistently
*       added speedEmPlot, VSPPlot, VSPBinPlot 


Changes in pems.utils 0.2.27 [2019-05-15]
========================================

*       tidied calcJerk, was not tracking data/pems 
*       tidied cutByRow 
*       removed exportPEMSData, added exportPEMS and  
        exportPEMS2TAB, updated exportPEMS2CVS 
*       updated import2PEMS 
*       updates to [.pems and print.pems., tidier 
        1 column handling


Changes in pems.utils 0.2.26 [2018-11-18]
========================================

*       added repairLocalTime
*       added regularize 
*       added calcVSP_JimenezPalacios, 
        as new calcVSP default 
*       updated findLinearOffset, following 
        cAlign update
*       updated cAlign, now uses C_ylagxCOR  
*       added C_ylagxCOR cpp code; for new 
        cAlign function
*       added Rccp as import; to handle cpp 
        code


Changes in pems.utils 0.2.25 [2018-08-15]
========================================

*       added na.omit.pems
*       update to print.pems; halts print if 
        units look suspect...
*       added stackPEMS  
*       removed checkInput, checkInput2, pemsElement, 
        pemsin, pemsin2 and pemsin.old
*       removed hijack argument from all 
        functions
*       added as.pems.pems.element 
*       updated binVSP, added binVSP_NCSU.14 
        and binVSP_MOVES.23 
*       getPEMSConstants replaces pemsConstants,
        getPEMSData replaces pemsData, 
        getPEMSElement replaces pemsElement, now 
        also all rlang/dplyr methods 
*       removed test functions calc.accel, 
        calc.dist, calc.new
*       added (not exported) calcTemplate, 
        pemsOutput  
*       simplified calcDistance, calcSpeed, 
        calcAccel, calcJerk
*       pemsXYZCondUnitsHandler update, catch 
        x[1]=NA mistmatch
*       added MOVES.2004 model to binVSP 
*       added calc.accel as in-testing 
        alternative to calcAccel
*       added binVSP function
*	added pems method for pull 
*       updated help, now uses \dontrun{} 
*       updated print.pems.element, now 
        foreshortens longer outputs
*       rewrote import2PEMS
*       update to local getUnits... code, 
        user pre/suffix assignment 
*       update to import2PEMS, added option 
        to get units from row 2         
*       removed history tracking from 
        importSEMTECH2PEMS
*       transferred pemsin from 
        sleeper.service package
*       transferred correctBaseline from
        sleeper.service package; added 
        basline package to imports
*       cAlign update, now fitting from
        align(data1, data2, middle)


Changes in pems.utils 0.2.24 [2017-12-30]
========================================

*       exportPEMS2CSV update, suffix 
        (units) not _units
*       importParSYNC2PEMS now accepts 
        data.frame as well as file path
*       temp update of old structuring 
        functions, pemsData, etc...
*       rolled back pems generics for new 
        pems structure
*       started phasing out pems history 
        tracking
*       added rebuildPEMS to provide 
        catch any old pems structures
*       reset pems dplyr function outputs 
        to new pems structure
*       updated print.pems 
*       reinstated pems.elements methods
*       added ...join methods for pems objects
        (left_join,)


Changes in pems.utils 0.2.23 [2017-11-09]
========================================

*       replaced plyr with dplyr in imports 
*       added select methods: .pems, _.pems 
*       updated fortify.pems (simplifies 
        object for ggplot2 use)
*       added rename methods: .pems, _.pems
*       added filter methods: .pems, _.pems 
*       added arrange methods: .pems, _.pems
*       added slice methods: .pems, _.pems 
*       added mutate methods: .pems, _.pems 
*       added rebuildPEMS (for version 0.3)
*       added group_by methods: .pems, _.pems
*       added summarise methods: .pems, _.pems


Changes in pems.utils 0.2.22 [2017-07-21]
========================================

*       updated plot.pems.element re attr.name
*       updated [.pems.element re attr.names 
*       updated plot.pems.element
*       updated to rforge
*       rebuilt pems.1 example data (previous 
        version not tracking new units)


Changes in pems.utils 0.2.21 [2017-02-28]
========================================

*       added importSEMTECH2PEMS 
*       updates pems[] 
        (handle logical like data.frame) 


Changes in pems.utils 0.2.20 [2016-11-18]
========================================

*       updated importParSYNC2PEMS 
        (added gasMod channels)
*       updated pems[i,j]<- object
        (allows direct addition of POSIX*)
*       added exportPEMS2CSV 


Changes in pems.utils 0.2.19 [2016-04-03]
========================================

*       added 0pts scripts for globals and 
        development code 


Changes in pems.utils 0.2.18 [2016-03-07]
========================================

*       added importKML2PEMS  



Changes in pems.utils 0.2.17 [2016-02-02]
========================================

*       redrafted title and description 
        (tidy re pems.utils2CRAN)
*       changed calcEmHoribaPitot formals 
        (catch check note; re pems.utils2CRAN)
*       documentation tidy re pems.utils2CRAN
*       pemsPlot zlab tidy re pems.utils2CRAN
*       added up-front code (in calcEm, to 
        catch check note on data object object
        names; re pems.utils2CRAN 


Changes in pems.utils 0.2.16 [2015-12-28]
========================================

*       added plyr to imports
*       added align and tAlign functions 
*       updated cAlign function
*       removed bindPEMS (superceded by 
        align and new cAlign)
*       update to WatsonPlot, revised 
        argument order in formals
*       added and documented 
        panel.WatsonSmoothContourPlot


Changes in pems.utils 0.2.15 [2015-09-18]
========================================

*       moved latticeExtra to imports
*       added with.pems method 
*       updated makePEMS, now accepts 
        vector, pems.element, etc
*       update to pemsPlot, grid now added 
        by default 
*       added pems[[]]<- as quick reset 
        for object structure
*       added subset.pems method
*       update to print.pems
*       added is.pems, pems, pems.element; 
        these replace isPEMS, makePEMS, 
        makePEMSElement (retained as wrappers)
*       added as.pems methods (default, 
        data.frame)


Changes in pems.utils 0.2.14 [2015-08-18]
========================================

*       added importCAGE2PEMS function, 
        loads 3DATX CAGE data as pems 
        object
*       updated importParSYNC2PEMS, now 
        defaults to local time zone 
*       updated print.pems.element and 
        plot.pems.element, labelling now 
        ignores "" units 
*       added fortify.pems method to 
        simplfy use ggplot2 functions 
        with pems objects; also added
        ggplot2:fortify.defaults to 
        imports
*       moved utils, grid, RColorBrewer 
        from depends to imports
*       added dim.pems ncol.pms and 
        nrow.pems method
*       added pems[[]] as quick access 
        to object structure


Changes in pems.utils 0.2.13 [2015-08-06]
========================================

*       updated checkInput, improved 
        handling of POSIXct class 
        pems.elements 
        

Changes in pems.utils 0.2.12 [2015-07-29]
========================================

*       modified importParSYNC2PEMS 
        function. The more general arg
        reset.signals replaces previous 
        reset.opacity


Changes in pems.utils 0.2.11 [2015-04-13]
========================================

*       added summary.pems.element method


Changes in pems.utils 0.2.10 [2015-03-14]
========================================

*       added importParSYNC2PEMS function
*       updated cutBy error message
 

Changes in pems.utils 0.2.9 [2015-01-23]
========================================

*       updated citation, now uses meta$ 
        (thanks to Achim Zeileis of JSS) 
*       refined head.pems and tail.pems
*       changed print.pems defaults (thanks to 
        Stephen Hanley of ITS)
*       refined pems[], now allows more forcing 
        options
*       simplified pems$name and pems$name <- 
        further, so they now behave more like 
        data.frame$name 
*       refined pems[]<-, extended forcing options 
*       added units(pems)<-  and names(pems) <- 
        methods
*       added units(pems.element)<- method 
         

Changes in pems.utils 0.2.8 [2014-04-30]
========================================

*       simplified pems[,n] and pems$n code
*       added [n], units pems.element methods
*       added utils to depends (for head.default 
        and tail.default access)
*       added head and tail pems methods
*       added makePEMSElement (makePEMS
        equivalent)
*       added the WatsonPlot functions used in 
        CRC and PEMS 2014 work 
*       updated pems default col scheme to match scheme 
        used in CRC and PEMS 2014 work
*       calcChecks code update 


Changes in pems.utils 0.2.7 [2014-02-17]
========================================

*       added pems.scheme, default pems 
        plotting scheme
*       convertUnits update, force now 
        forces to from unit conversion 
        if input units are either not 
        set or do not match from
*       added pemsPlot function to package
        (preprocess, panel and plot 
        using loa)
        

Changes in pems.utils 0.2.6 [2013-09-26]
========================================

*       added as.data.frame.pems 


Changes in pems.utils 0.2.5 [2013-08-11]
========================================

*       updated ref.unit.conversions 
*       added correction functions
        (correctInput, zeroNegatives)
*       added importOB12PEMS function
        (imports OB1 format files)


Changes in pems.utils 0.2.4 [2013-08-08]
========================================

*       refined history tracking for 
        functions in functions


Changes in pems.utils 0.2.3 [2013-06-20]
========================================

*       refined pems object case
*       added pems.element object case  
*       added pems... shortcut functions
*       reintroduced calcEm


Changes in pems.utils 0.2.2 [2013-01-10]
========================================

*       added pems object case  


Changes in pems.utils 0.2.1 [2012-06-15]
========================================

*       refined pems structure
        (to simiplify batch processing)  


Changes in pems.utils 0.1.12 [2012-01-10]
========================================

*       pems => pems.utils update
        [earlier versions documented elsewhere]