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XCAH01_1.1.1

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Field description Field abbreviation Field version Field length Field type
Common Aggregation Hierarchy, first level grouping XCAH01 1.1.1 5 Char

Valid entries

Code Label
CAH01 medicine and dentistry
CAH02 subjects allied to medicine
CAH03 biological and sport sciences
CAH04 psychology
CAH05 veterinary sciences
CAH06 agriculture, food and related studies
CAH07 physical sciences
CAH09 mathematical sciences
CAH10 engineering and technology
CAH11 computing
CAH12 geographical and environmental studies
CAH13 architecture, building and planning
CAH14 humanities and liberal arts (non-specific)
CAH15 social sciences
CAH16 law
CAH17 business and management
CAH18 communications and media
CAH19 language and area studies
CAH20 historical, philosophical and religious studies
CAH21 creative arts and design
CAH22 education and teaching
CAH23 combined and general studies

Dependent fields

  • None

Depend upon fields

  • XJACS01

Additional information

The Common Aggregation Hierearchy is an aggregation methodology that can be applied to both HECOS and JACS subject coding frames in order to allow for time series analysis.

The datasets tables Cyy051_SJ (for the Student record) and Cyy054_SJ (for the AP student record) are the JACS subject by full person equivalent (FPE) tables, that hold merged subject data from the appropriate Course and CourseSubject records apportioned using the HESA 'combination splitter' methodology.

XCAH01 takes the JACS subject and derives its value based on the JACS/CAH mapping

XFPE01 apportions the subjects to a nominal FPE, according to the number of subjects submitted per Course and the weighting allocated to a Course's subjects.

Technical Specification

XCAH01 XJACS01
CAH01 A000, A100, A200, A300, A400, A900, A990, B820
CAH02 B000, B100, B110, B120, B121, B130, B131, B132, B140, B160, B170, B190, B200, B210, B220, B230, B290, B300, B310, B320, B340, B341, B342, B343, B344, B345, B346, B352, B360, B390, B400, B410, B490, B500, B510, B520, B590, B600, B610, B620, B630, B690, B700, B701, B702, B710, B712, B713, B714, B720, B730, B731, B740, B741, B750, B760, B761, B770, B771, B772, B773, B790, B800, B810, B821, B822, B850, B890, B900, B910, B920, B930, B940, B950, B960, B990, C843, C844, H166, I510
CAH03 B350, C000, C100, C110, C111, C120, C130, C131, C140, C141, C142, C150, C160, C161, C162, C170, C180, C181, C182, C183, C184, C185, C186, C187, C190, C191, C200, C210, C220, C240, C250, C260, C270, C280, C290, C300, C310, C320, C330, C340, C350, C380, C390, C400, C410, C420, C430, C431, C440, C441, C450, C451, C452, C460, C470, C490, C500, C510, C520, C521, C530, C540, C550, C570, C590, C600, C610, C620, C630, C640, C650, C690, C700, C710, C720, C730, C740, C741, C750, C760, C770, C790, C900, C910, C990, D322
CAH04 C800, C810, C811, C812, C813, C814, C815, C816, C820, C821, C822, C830, C831, C832, C833, C840, C841, C842, C845, C846, C847, C848, C850, C851, C852, C853, C854, C855, C856, C857, C858, C860, C861, C862, C863, C864, C870, C871, C872, C873, C880, C881, C890
CAH05 C432, C522, C742, D100, D190, D200, D210, D220, D290, D310, D330, D340, D900, D990
CAH06 C360, C865, D000, D300, D320, D321, D323, D324, D325, D326, D327, D328, D390, D400, D410, D411, D412, D413, D414, D415, D416, D417, D418, D420, D421, D422, D423, D424, D425, D430, D431, D432, D433, D434, D435, D440, D441, D442, D444, D446, D447, D448, D450, D460, D461, D462, D463, D470, D471, D472, D490, D500, D510, D511, D512, D513, D514, D515, D516, D517, D520, D530, D540, D541, D590, D600, D610, D611, D612, D613, D614, D620, D630, D631, D632, D633, D634, D635, D640, D641, D642, D690, D700, D710, D711, D720, D721, D730, D740, D750, D790
CAH07 F000, F100, F110, F111, F112, F120, F130, F131, F140, F141, F150, F151, F160, F161, F162, F163, F164, F165, F170, F180, F190, F200, F290, F300, F310, F311, F320, F321, F330, F331 , F332, F340, F341, F342, F343, F350, F351, F360, F361, F370, F380, F390, F400, F410, F420, F490, F500, F510, F520, F521, F522, F530, F540, F550, F590, F600, F610, F611, F612, F620, F621, F630, F631, F640, F641, F642, F644, F645, F646, F650, F660, F661, F670, F680, F681, F682, F690, F710, F720, F730, F731, F732, F733, F734, F761, F762, F763, F765, F900, F990, H140, H141, H142, H143, J421
CAH09 G100, G110, G120, G121, G130, G140, G150, G160, G170, G190, G200, G290, G300, G310, G311, G320, G330, G340, G350, G390, G900
CAH10 B830, B840, C230, H000, H100, H110, H120, H121, H122, H123, H130, H131, H150, H160, H161, H162, H163, H164, H165, H167, H168, H169, H190, H200, H210, H220, H221, H222, H223, H230, H231, H232, H240, H241, H242, H250, H290, H300, H310, H311, H320, H321, H330, H331, H332, H333, H340, H341, H342, H350, H360, H390, H400, H410, H411, H412, H413, H420, H430, H440, H441, H450, H460, H490, H500, H510, H511, H512, H513, H514, H520, H521, H522, H523, H524, H590, H600, H610, H611, H612, H620, H630, H631, H632, H640, H641, H642, H643, H644, H650, H651, H652, H660, H661, H662, H670, H671, H672, H674, H680, H690, H700, H710, H711, H712, H713, H714, H720, H730, H790, H800, H810, H811, H812, H820, H821, H830, H831, H840, H850, H890, H900, H990, J000, J100, J110, J120, J130, J140, J150, J160, J190, J200, J210, J220, J221, J230, J290, J300, J320, J390, J400, J410, J411, J420, J422, J430, J431, J440, J441, J442, J443, J444, J445, J490, J500, J510, J511, J512, J513, J520, J521, J522, J523, J524, J530, J590, J600, J610, J611, J612, J613, J614, J690, J700, J710, J720, J730, J740, J750, J790, J900, J910, J930, J931, J940, J941, J942, J950, J960, J970, J990.
CAH11 I100, I110, I111, I112, I113, I114, I115, I120, I130, I140, I150, I160, I161, I190, I200, I210, I220, I230, I240, I250, I260, I270, I290, I300, I310, I320, I321, I322, I323, I390, I400, I410, I420, I430, I440, I450, I460, I461, I490, I500, I520, I530, I590, I600, I610, I620, I630, I700, I710, I900, I990.
CAH12 D443, F643, F700, F750, F751, F752, F753, F754, F755, F756, F760, F764, F770, F780, F790, F800, F810, F811, F840, F841, F842, F843, F844, F845, F846, F890, L700, L710, L711, L712, L713, L714, L715, L716, L720, L721, L722, L723, L724, L725, L726, L727, L728, L790.
CAH13 K000, K100, K110, K130, K190, K200, K210, K220, K230, K240, K250, K251, K290, K300, K310, K320, K330, K340, K341, K390, K400, K410, K420, K421, K422, K430, K440, K450, K460, K490, K900, K990, N234.
CAH14 V000 V900, V990.
CAH15 L000, L100, L110, L111, L112, L113, L120, L130, L140, L150, L160, L170, L171, L172, L173, L174, L190, L200, L210, L211, L212, L213, L214, L215, L216, L217, L218, L220, L221, L222, L223, L224, L230, L231, L232, L240, L241, L242, L243, L244, L250, L251, L252, L253, L260, L290, L300, L310, L311, L312, L320, L321, L322, L330, L340, L350, L360, L370, L371, L380, L390, L391, L400, L410, L420, L430, L431, L432, L433, L434, L435, L436, L437, L490, L500, L510, L520, L530, L540, L541, L560, L590, L600, L610, L611, L620, L690, L800, L900, L990, M270, W357.
CAH16 M000, M100, M110, M111, M112, M113, M114, M120, M130, M140, M190, M200, M210, M211, M220, M221, M222, M223, M224, M240, M250, M260, M290, M900, M990.
CAH17 N000, N100, N110, N120, N190, N200, N210, N211, N212, N213, N214, N215, N220, N223, N224, N225, N230, N231, N232, N240, N250, N251, N252, N290, N300, N310, N320, N321, N322, N323, N330, N340, N341, N390, N400, N410, N411, N412, N413, N420, N421, N422, N490, N500, N510, N520, N530, N550, N560, N561, N562, N563, N590, N600, N611, N612, N613, N614, N620, N690, N700, N710, N720, N721, N722, N790, N800, N810, N820, N830, N831, N832, N850, N851, N852, N853, N860, N861, N862, N870, N871, N872, N880, N890, N900, N990, W376.
CAH18 P000, P100, P110, P120, P121, P130, P131, P132, P190, P200, P210, P290, P300, P301, P302, P303, P304, P305, P310, P311, P312, P313, P390, P400, P410, P411, P412, P413, P420, P430, P490, P500, P510, P590, P900, P990.
CAH19 Q000, Q100, Q110, Q120, Q130, Q131, Q132, Q140, Q150, Q160, Q190, Q200, Q210, Q220, Q290, Q300, Q310, Q320, Q321, Q322, Q323, Q330, Q340, Q350, Q360, Q370, Q380, Q390, Q400, Q410, Q411, Q420, Q430, Q440, Q450, Q460, Q470, Q480, Q490, Q500, Q510, Q520, Q521, Q522, Q530, Q531, Q540, Q541, Q550, Q551, Q560, Q561, Q570, Q571, Q580, Q581, Q590, Q600, Q610, Q611, Q612, Q620, Q630, Q690, Q700, Q710, Q711, Q712, Q720, Q730, Q790, Q800, Q810, Q890, Q900, Q910, Q920, Q990, R000, R100, R110, R120, R130, R190, R200, R210, R220, R230, R290, R300, R310, R320, R330, R390, R400, R410, R411, R420, R430, R490, R500, R510, R511, R520, R530, R590, R600, R610, R611, R612, R613, R614, R620, R621, R622, R623, R624, R630, R631, R632, R633, R634, R690, R700, R701, R702, R703, R704, R705, R706, R707, R708, R709, R710, R711, R712, R713, R720, R721, R722, R723, R730, R731, R732, R733, R790, R800, R900, R910, R911, R912, R920, R930, R990, T000, T100, T110, T120, T130, T190, T200, T210, T220, T230, T290, T300, T310, T311, T312, T313, T314, T315, T320, T321, T322, T323, T324, T325, T330, T331, T332, T333, T334, T335, T390, T400, T410, T411, T412, T420, T421, T422, T430, T431, T432, T490, T500, T510, T511, T512, T513, T514, T515, T520, T521, T522, T523, T524, T525, T530, T531, T532, T533, T534, T535, T590, T600, T610, T611, T612, T613, T614, T615, T616, T620, T621, T623, T624, T625, T626, T630, T631, T633, T634, T635, T636, T690, T700, T710, T711, T712, T713, T714, T720, T721, T722, T723, T724, T730, T731, T732, T733, T734, T790, T800, T810, T820, T830, T890, T900, T910, T920, T930, T990, W800, W810, W820, W830, W890.
CAH20 C834, C835, D445, V100, V140, V141, V142, V143, V144, V145, V146, V147, V148, V150, V160, V161, V190, V200, V210, V211, V212, V213, V214, V220, V221, V222, V223, V224, V225, V230, V231, V232, V233, V234, V240, V241, V242, V243, V244, V250, V251, V252, V253, V254, V255, V260, V261, V262, V270, V271, V290, V300, V310, V320, V321, V322, V323, V324, V330, V340, V350, V360, V370, V380, V381, V382, V383, V384, V390, V391, V400, V410, V420, V430, V440, V450, V460, V470, V471, V472, V490, V500, V510, V511, V520, V530, V540, V550, V560, V590, V600, V610, V620, V621, V622, V623, V624, V625, V626, V627, V630, V640, V641, V642, V643, V644, V645, V650, V690, V700, V710, V720, V730, V731, V740, V750, W160, W330, W530, W630, W631, W632.
CAH21 B351, B353, J310, J920, K120, W000, W100, W110, W120, W130, W140, W150, W190, W200, W210, W211, W212, W213, W220, W230, W231, W240, W250, W260, W270, W280, W290, W300, W310, W311, W312, W313, W314, W315, W316, W317, W320, W340, W341, W342, W343, W344, W345, W346, W350, W351, W352, W353, W354, W355, W356, W360, W370, W371, W372, W373, W374, W375, W380, W381, W382, W383, W384, W385, W386, W387, W388, W390, W400, W410, W420, W430, W440, W441, W442, W443, W450, W451, W452, W453, W460, W461, W470, W471, W472, W473, W490, W500, W510, W520, W531, W532, W540, W541, W542, W543, W544, W550, W590, W600, W610, W611, W612, W613, W614, W615, W620, W640, W690, W700, W710, W711, W712, W713, W714, W715, W720, W721, W722, W723, W730, W731, W732, W733, W734, W740, W750, W751, W752, W753, W760, W761, W762, W770, W771, W780, W781, W782, W790, W900, W990.
CAH22 X000, X100, X110, X120, X121, X122, X130, X131, X132, X140, X141, X142, X150, X151, X160, X161, X162, X190, X200, X290, X300, X310, X320, X330, X340, X341, X342, X350, X360, X370, X390, X900, X990.
CAH23 L550, X210, X220, Y000.

Revision history

Date Version Notes
2019-03-07 1.1.1 New derived field to determine the Common Aggregation Hierarchy, first level grouping

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