pca_cluster	productivity	mean_total_inserts
"Caucasian"-cluster	non-productive	10.4231790189
"Caucasian"-cluster	productive	7.71164826995157
"Caucasian"-cluster	non-productive	10.3134438086155
"Caucasian"-cluster	productive	7.63872587145584
"Caucasian"-cluster	productive	7.37576798683931
"Caucasian"-cluster	non-productive	9.72439159692241
"Caucasian"-cluster	productive	7.65798116256832
"Caucasian"-cluster	non-productive	10.5893562414394
"Caucasian"-cluster	non-productive	9.66717946720673
"Caucasian"-cluster	productive	7.24754014140922
"Caucasian"-cluster	productive	7.35666365475496
"Caucasian"-cluster	non-productive	9.94872833670943
"Caucasian"-cluster	productive	7.47210316741023
"Caucasian"-cluster	non-productive	10.086258395891
"Caucasian"-cluster	productive	7.25511503523219
"Caucasian"-cluster	non-productive	9.84293488824101
"Caucasian"-cluster	productive	7.63651158082126
"Caucasian"-cluster	non-productive	9.85609306200167
"Caucasian"-cluster	productive	6.98922071606394
"Caucasian"-cluster	non-productive	9.53373159803712
"Caucasian"-cluster	productive	7.28586196769457
"Caucasian"-cluster	non-productive	9.8803423574286
"Caucasian"-cluster	productive	7.49689252161778
"Caucasian"-cluster	non-productive	10.0831522557604
"Hispanic"-cluster	productive	7.2036029853307
"Hispanic"-cluster	non-productive	9.49869399236488
"Caucasian"-cluster	productive	7.12464929650315
"Caucasian"-cluster	non-productive	9.55377535687453
"Caucasian"-cluster	non-productive	9.88759605887596
"Caucasian"-cluster	productive	7.42921846709263
"Caucasian"-cluster	productive	7.26632319668211
"Caucasian"-cluster	non-productive	9.90488748580338
"Caucasian"-cluster	non-productive	10.0203465982028
"Caucasian"-cluster	productive	7.37128032437633
"Caucasian"-cluster	productive	7.60788104920862
"Caucasian"-cluster	non-productive	10.3472046595394
"Caucasian"-cluster	productive	7.40393875169671
"Caucasian"-cluster	non-productive	9.84687938039011
"Caucasian"-cluster	productive	7.4182726665311
"Caucasian"-cluster	non-productive	10.0521080173776
"Caucasian"-cluster	non-productive	9.79900589527222
"Caucasian"-cluster	productive	7.21606803290678
"Caucasian"-cluster	productive	7.39239965139033
"Caucasian"-cluster	non-productive	10.0545838426492
"Caucasian"-cluster	productive	7.22064833347277
"Caucasian"-cluster	non-productive	9.88876747639461
"Caucasian"-cluster	non-productive	9.80743749697761
"Caucasian"-cluster	productive	7.35677384957623
"Caucasian"-cluster	productive	7.47792142975973
"Caucasian"-cluster	non-productive	10.1913170366007
"Caucasian"-cluster	non-productive	10.1111610633307
"Caucasian"-cluster	productive	7.50306691776964
"Caucasian"-cluster	productive	7.67438219615148
"Caucasian"-cluster	non-productive	10.1086347427407
"Caucasian"-cluster	productive	7.17039999447426
"Caucasian"-cluster	non-productive	9.67762936827957
"Caucasian"-cluster	productive	7.54247362597255
"Caucasian"-cluster	non-productive	9.78219656474948
"Caucasian"-cluster	productive	7.55592010035704
"Caucasian"-cluster	non-productive	10.0066336019839
"Hispanic"-cluster	productive	7.2685860314632
"Hispanic"-cluster	non-productive	9.57772458462405
"Caucasian"-cluster	non-productive	10.1282546550259
"Caucasian"-cluster	productive	7.48581309589774
"Caucasian"-cluster	productive	7.37335611648733
"Caucasian"-cluster	non-productive	9.86584046867959
"Caucasian"-cluster	productive	7.64131563707026
"Caucasian"-cluster	non-productive	10.6783494585763
"Caucasian"-cluster	productive	7.58778265271684
"Caucasian"-cluster	non-productive	10.6999922797807
"Caucasian"-cluster	productive	7.41117130131215
"Caucasian"-cluster	non-productive	9.90314243253139
"Caucasian"-cluster	productive	7.14594438929941
"Caucasian"-cluster	non-productive	9.72642617690038
"Caucasian"-cluster	productive	7.59254381025593
"Caucasian"-cluster	non-productive	10.3830036359154
"African"-cluster	productive	7.48650827429086
"African"-cluster	non-productive	9.91533551300016
"Caucasian"-cluster	productive	7.34483268353074
"Caucasian"-cluster	non-productive	9.76252592947184
"Caucasian"-cluster	productive	7.57822556751203
"Caucasian"-cluster	non-productive	9.95305885089556
"Caucasian"-cluster	productive	7.77647392994727
"Caucasian"-cluster	non-productive	10.3769237066143
"Caucasian"-cluster	productive	7.4677964274767
"Caucasian"-cluster	non-productive	10.1320139352161
"Caucasian"-cluster	productive	7.23579778787713
"Caucasian"-cluster	non-productive	9.87098588214402
"Hispanic"-cluster	productive	7.42392181311427
"Hispanic"-cluster	non-productive	9.74668589236709
"Asian"-cluster	non-productive	9.91499672792232
"Asian"-cluster	productive	7.37979674426473
"Caucasian"-cluster	productive	7.40370917225951
"Caucasian"-cluster	non-productive	10.0474584929757
"Hispanic"-cluster	productive	7.62158876945444
"Hispanic"-cluster	non-productive	10.1023448275862
"Caucasian"-cluster	productive	7.47265615699143
"Caucasian"-cluster	non-productive	10.1789789472758
"Caucasian"-cluster	productive	7.15717302574884
"Caucasian"-cluster	non-productive	9.7432666683915
"Caucasian"-cluster	productive	7.05164057939536
"Caucasian"-cluster	non-productive	9.3404187754292
"Caucasian"-cluster	productive	6.96450516108375
"Caucasian"-cluster	non-productive	9.263251039731
"Caucasian"-cluster	productive	7.41081115152594
"Caucasian"-cluster	non-productive	9.72693539950307
"Hispanic"-cluster	non-productive	10.4334114888628
"Hispanic"-cluster	productive	7.67468593906814
"Caucasian"-cluster	non-productive	10.0056615936545
"Caucasian"-cluster	productive	7.31968548558476
"Caucasian"-cluster	non-productive	9.99160162572384
"Caucasian"-cluster	productive	7.57078845058084
"Caucasian"-cluster	non-productive	9.88963303733818
"Caucasian"-cluster	productive	7.36775749124871
"Caucasian"-cluster	productive	7.68731828427689
"Caucasian"-cluster	non-productive	10.4112801898646
"Caucasian"-cluster	productive	7.47565766902398
"Caucasian"-cluster	non-productive	9.81139942119978
"Caucasian"-cluster	productive	7.67063674036055
"Caucasian"-cluster	non-productive	10.2342637236254
"Caucasian"-cluster	productive	7.42313822652169
"Caucasian"-cluster	non-productive	9.67447843696666
"Caucasian"-cluster	productive	7.35361194673031
"Caucasian"-cluster	non-productive	9.86554815869473
"Native
American"-cluster	non-productive	10.0251550901854
"Native
American"-cluster	productive	7.43224028801289
"Caucasian"-cluster	productive	7.35173579011126
"Caucasian"-cluster	non-productive	9.85702360065652
"Caucasian"-cluster	productive	7.2766780930588
"Caucasian"-cluster	non-productive	9.6568286782494
"Caucasian"-cluster	non-productive	9.71350490227823
"Caucasian"-cluster	productive	7.23625297577484
"Caucasian"-cluster	productive	7.44174844066585
"Caucasian"-cluster	non-productive	10.0341906072596
"Caucasian"-cluster	productive	7.52122122587893
"Caucasian"-cluster	non-productive	10.416642314436
"Caucasian"-cluster	productive	7.57451607986587
"Caucasian"-cluster	non-productive	10.4954873354252
"Caucasian"-cluster	non-productive	10.0052695412153
"Caucasian"-cluster	productive	7.20952259958782
"Caucasian"-cluster	productive	7.34434731851086
"Caucasian"-cluster	non-productive	9.79959533444418
"Caucasian"-cluster	non-productive	9.62785173338351
"Caucasian"-cluster	productive	7.10234779660224
"Caucasian"-cluster	productive	7.45209207016845
"Caucasian"-cluster	non-productive	10.014119527573
"Caucasian"-cluster	productive	7.84180322855093
"Caucasian"-cluster	non-productive	10.5484825695641
"Caucasian"-cluster	productive	7.0362041900179
"Caucasian"-cluster	non-productive	9.3452540003107
"Caucasian"-cluster	productive	7.37241965710126
"Caucasian"-cluster	non-productive	9.74720460099227
"Caucasian"-cluster	productive	7.14994952306371
"Caucasian"-cluster	non-productive	9.79145973317752
"Caucasian"-cluster	productive	7.27194904956167
"Caucasian"-cluster	non-productive	9.80739543131324
"Caucasian"-cluster	productive	7.43901601918909
"Caucasian"-cluster	non-productive	9.91953261997638
"Caucasian"-cluster	non-productive	10.0778647054468
"Caucasian"-cluster	productive	7.40274456243016
"Caucasian"-cluster	productive	7.34192854801704
"Caucasian"-cluster	non-productive	9.94002794969056
"Caucasian"-cluster	productive	7.47738796906842
"Caucasian"-cluster	non-productive	9.58185096888563
"Caucasian"-cluster	productive	7.57219325525741
"Caucasian"-cluster	non-productive	10.3363648954342
"Caucasian"-cluster	productive	7.35106454533696
"Caucasian"-cluster	non-productive	9.91763421292084
"Caucasian"-cluster	non-productive	9.99061582838932
"Caucasian"-cluster	productive	7.37716616843856
"Hispanic"-cluster	non-productive	9.84572822874424
"Hispanic"-cluster	productive	7.41132943990044
"Caucasian"-cluster	productive	7.76421666261841
"Caucasian"-cluster	non-productive	10.3459424597611
"Caucasian"-cluster	productive	7.53320572672238
"Caucasian"-cluster	non-productive	10.0480029235995
"Caucasian"-cluster	non-productive	9.79719327888858
"Caucasian"-cluster	productive	7.24275677404124
"Caucasian"-cluster	productive	7.25148218451838
"Caucasian"-cluster	non-productive	9.5032267747261
"Caucasian"-cluster	non-productive	10.4369060634093
"Caucasian"-cluster	productive	7.67210254469252
"Caucasian"-cluster	productive	7.59681797922773
"Caucasian"-cluster	non-productive	10.2406247658199
"Caucasian"-cluster	productive	7.32104816349745
"Caucasian"-cluster	non-productive	10.1387358774585
"Caucasian"-cluster	productive	7.61457717691095
"Caucasian"-cluster	non-productive	10.2390463498667
"Caucasian"-cluster	productive	7.24125722543353
"Caucasian"-cluster	non-productive	9.6913117911406
"Caucasian"-cluster	productive	7.34841303154564
"Caucasian"-cluster	non-productive	10.1535819124352
"Caucasian"-cluster	productive	7.20257329724021
"Caucasian"-cluster	non-productive	9.82464797456332
"Caucasian"-cluster	productive	7.63862477771192
"Caucasian"-cluster	non-productive	10.2366446354917
"Hispanic"-cluster	non-productive	10.0906126781923
"Hispanic"-cluster	productive	7.37200086267321
"Caucasian"-cluster	productive	7.3724275153699
"Caucasian"-cluster	non-productive	9.82384107271953
"Caucasian"-cluster	productive	7.3669366623523
"Caucasian"-cluster	non-productive	9.75687078952889
"Caucasian"-cluster	non-productive	9.35169910920488
"Caucasian"-cluster	productive	7.17246058755553
"Caucasian"-cluster	productive	7.31210634689923
"Caucasian"-cluster	non-productive	9.8735282312015
"Caucasian"-cluster	non-productive	10.1822192808295
"Caucasian"-cluster	productive	7.48766956542094
"Caucasian"-cluster	non-productive	10.2607347224042
"Caucasian"-cluster	productive	7.72761058616379
"Caucasian"-cluster	productive	7.29396175227581
"Caucasian"-cluster	non-productive	9.91856950192996
"Caucasian"-cluster	productive	7.19917841471385
"Caucasian"-cluster	non-productive	9.76921297367325
"Asian"-cluster	productive	7.33824110609948
"Asian"-cluster	non-productive	9.76535626535627
"Caucasian"-cluster	productive	7.28150646847314
"Caucasian"-cluster	non-productive	9.50496192787215
"Caucasian"-cluster	productive	7.52619862927849
"Caucasian"-cluster	non-productive	10.356499461174
"Native
American"-cluster	productive	7.20587900151809
"Native
American"-cluster	non-productive	9.54042302640518
"Middle
Eastern"-cluster	productive	7.32041688798585
"Middle
Eastern"-cluster	non-productive	9.68486014439497
"Hispanic"-cluster	productive	7.20928758939079
"Hispanic"-cluster	non-productive	9.57599272182382
"Hispanic"-cluster	productive	7.03389830508475
"Hispanic"-cluster	non-productive	9.25693575302461
"Asian"-cluster	productive	7.30903620636603
"Asian"-cluster	non-productive	9.56147905619417
"Asian"-cluster	productive	7.43157556147212
"Asian"-cluster	non-productive	9.90423857592532
"Caucasian"-cluster	non-productive	9.60377828653304
"Caucasian"-cluster	productive	7.18887852289184
"Caucasian"-cluster	non-productive	9.94235275738166
"Caucasian"-cluster	productive	7.43516930217808
"Caucasian"-cluster	non-productive	10.2010470535657
"Caucasian"-cluster	productive	7.4544009680161
"Caucasian"-cluster	productive	7.49198497415108
"Caucasian"-cluster	non-productive	10.185625941901
"Hispanic"-cluster	productive	7.6279276242776
"Hispanic"-cluster	non-productive	10.3466279505433
"African"-cluster	productive	7.45087009641464
"African"-cluster	non-productive	9.70971391932412
"Caucasian"-cluster	non-productive	9.31409564211338
"Caucasian"-cluster	productive	6.93272100492974
"Caucasian"-cluster	productive	7.10073896544837
"Caucasian"-cluster	non-productive	9.58652070693748
"Caucasian"-cluster	productive	7.48354857690144
"Caucasian"-cluster	non-productive	9.82987784377451
"Caucasian"-cluster	non-productive	10.1721239712835
"Caucasian"-cluster	productive	7.46473916570959
"Caucasian"-cluster	productive	7.56949401923653
"Caucasian"-cluster	non-productive	10.1187253243091
"Caucasian"-cluster	productive	7.41759060393913
"Caucasian"-cluster	non-productive	10.515479077447
"Caucasian"-cluster	productive	7.36857763616655
"Caucasian"-cluster	non-productive	10.1272037075852
"Caucasian"-cluster	productive	7.31530381218512
"Caucasian"-cluster	non-productive	9.71513966904509
"Caucasian"-cluster	productive	7.0293067043452
"Caucasian"-cluster	non-productive	9.45967809892981
"Caucasian"-cluster	productive	7.32889949016998
"Caucasian"-cluster	non-productive	10.113574950553
"Caucasian"-cluster	non-productive	10.0284944532488
"Caucasian"-cluster	productive	7.37810790257504
"Caucasian"-cluster	non-productive	10.1822060061746
"Caucasian"-cluster	productive	7.48852351033644
"Hispanic"-cluster	non-productive	9.34408244680851
"Hispanic"-cluster	productive	7.07597234162938
"Caucasian"-cluster	non-productive	9.49927742987364
"Caucasian"-cluster	productive	7.18896864235585
"Caucasian"-cluster	non-productive	10.1354526606773
"Caucasian"-cluster	productive	7.46776828866432
"Caucasian"-cluster	non-productive	10.1361732818389
"Caucasian"-cluster	productive	7.54992319508449
"Caucasian"-cluster	productive	7.37540829217871
"Caucasian"-cluster	non-productive	10.2045871105167
"Caucasian"-cluster	non-productive	10.3373612231989
"Caucasian"-cluster	productive	7.54302016997874
"Caucasian"-cluster	productive	7.70899074263973
"Caucasian"-cluster	non-productive	10.565189537173
"Asian"-cluster	non-productive	9.90883739650414
"Asian"-cluster	productive	7.45804722183818
"Asian"-cluster	productive	7.3690521176096
"Asian"-cluster	non-productive	9.98385316527807
"Asian"-cluster	non-productive	9.684898828541
"Asian"-cluster	productive	7.30244550474346
"Asian"-cluster	productive	6.90027979224622
"Asian"-cluster	non-productive	9.52815533980583
"Asian"-cluster	non-productive	10.4518282682103
"Asian"-cluster	productive	7.56921191524017
"Asian"-cluster	productive	6.88859530280973
"Asian"-cluster	non-productive	9.01876225147018
"Asian"-cluster	non-productive	9.71582287896068
"Asian"-cluster	productive	7.18157061680332
"African"-cluster	productive	7.15526570706383
"African"-cluster	non-productive	9.88931284706844
"Caucasian"-cluster	productive	7.52922277878141
"Caucasian"-cluster	non-productive	10.2817137517863
"Caucasian"-cluster	productive	7.48898354644455
"Caucasian"-cluster	non-productive	10.2413981617521
"Caucasian"-cluster	non-productive	10.6353253583583
"Caucasian"-cluster	productive	7.74572822372369
"Caucasian"-cluster	productive	7.28822659442486
"Caucasian"-cluster	non-productive	9.57164713934855
"Caucasian"-cluster	productive	7.42656200349539
"Caucasian"-cluster	non-productive	9.90512664747365
"Caucasian"-cluster	productive	7.52413233165082
"Caucasian"-cluster	non-productive	10.2523975380505
"African"-cluster	productive	7.69400386847195
"African"-cluster	non-productive	10.9418487467033
"Caucasian"-cluster	productive	7.3370778089082
"Caucasian"-cluster	non-productive	9.80733467408021
"Caucasian"-cluster	productive	7.50653630284038
"Caucasian"-cluster	non-productive	10.1029917380818
"Caucasian"-cluster	productive	7.40734333588387
"Caucasian"-cluster	non-productive	10.1604124538845
"African"-cluster	non-productive	9.68841539264074
"African"-cluster	productive	7.44954313658048
"Caucasian"-cluster	non-productive	9.90347564488255
"Caucasian"-cluster	productive	7.35279900202713
"Native
American"-cluster	productive	7.47836955909247
"Native
American"-cluster	non-productive	10.128961165499
"Caucasian"-cluster	productive	7.40221700862812
"Caucasian"-cluster	non-productive	10.2451767710974
"Caucasian"-cluster	productive	7.5343575890596
"Caucasian"-cluster	non-productive	9.91286677240286
"Caucasian"-cluster	productive	7.0653112312852
"Caucasian"-cluster	non-productive	9.46899623925501
"Hispanic"-cluster	productive	7.35970300181645
"Hispanic"-cluster	non-productive	9.60706108618005
"Caucasian"-cluster	productive	7.70248757332856
"Caucasian"-cluster	non-productive	10.5941707009749
"Caucasian"-cluster	productive	7.68801810604094
"Caucasian"-cluster	non-productive	10.6588278645964
"Caucasian"-cluster	productive	7.22814094333405
"Caucasian"-cluster	non-productive	9.91233953189039
"Caucasian"-cluster	productive	7.42299058140358
"Caucasian"-cluster	non-productive	9.99254289312136
"Native
American"-cluster	productive	7.32176569983865
"Native
American"-cluster	non-productive	10.2552440992157
"Caucasian"-cluster	non-productive	10.2527463151383
"Caucasian"-cluster	productive	7.41605757704381
"Caucasian"-cluster	non-productive	10.0477414997792
"Caucasian"-cluster	productive	7.40573264584109
"Caucasian"-cluster	non-productive	9.79819515541717
"Caucasian"-cluster	productive	7.38804487436783
"Caucasian"-cluster	productive	7.15292691051038
"Caucasian"-cluster	non-productive	9.85357561721522
"Caucasian"-cluster	productive	7.15232256826143
"Caucasian"-cluster	non-productive	9.63998247823468
"Caucasian"-cluster	productive	7.40681458954403
"Caucasian"-cluster	non-productive	10.0551084852806
"Caucasian"-cluster	non-productive	10.43092800129
"Caucasian"-cluster	productive	7.66204389262255
"Caucasian"-cluster	productive	7.38842491712098
"Caucasian"-cluster	non-productive	9.57709877930053
"Caucasian"-cluster	productive	7.42200399310825
"Caucasian"-cluster	non-productive	10.3754287777577
"Caucasian"-cluster	productive	7.53001268199486
"Caucasian"-cluster	non-productive	10.4997845998239
"Caucasian"-cluster	non-productive	8.06107660455487
"Caucasian"-cluster	productive	6.35198910906066
"Caucasian"-cluster	productive	7.46184035265762
"Caucasian"-cluster	non-productive	10.0524301569078
"Caucasian"-cluster	productive	7.61495001531461
"Caucasian"-cluster	non-productive	10.1626556874365
"Caucasian"-cluster	productive	7.51179337848959
"Caucasian"-cluster	non-productive	9.80009051529062
"Caucasian"-cluster	productive	7.47939393495673
"Caucasian"-cluster	non-productive	9.87133819626433
"Caucasian"-cluster	productive	7.38593130654124
"Caucasian"-cluster	non-productive	9.76607519325369
"Caucasian"-cluster	non-productive	10.0531499929844
"Caucasian"-cluster	productive	7.51192335520571
"Caucasian"-cluster	productive	7.4523226770092
"Caucasian"-cluster	non-productive	10.2748271131394
"Native
American"-cluster	productive	7.52241992424876
"Native
American"-cluster	non-productive	9.94812004564942
"Caucasian"-cluster	productive	7.51303498053217
"Caucasian"-cluster	non-productive	10.3002839047827
"Caucasian"-cluster	productive	7.32266067249901
"Caucasian"-cluster	non-productive	9.90429572567271
"Caucasian"-cluster	productive	7.53136136050885
"Caucasian"-cluster	non-productive	10.0561514072102
"Asian"-cluster	productive	7.49186136490137
"Asian"-cluster	non-productive	10.1902692813447
"Native
American"-cluster	productive	7.72336284056798
"Native
American"-cluster	non-productive	10.8702536214447
"Caucasian"-cluster	productive	7.36058780690216
"Caucasian"-cluster	non-productive	10.0638538591021
"Caucasian"-cluster	productive	7.30046581356749
"Caucasian"-cluster	non-productive	9.80069345941686
"Caucasian"-cluster	productive	7.29520341806847
"Caucasian"-cluster	non-productive	9.83489960609592
"Caucasian"-cluster	non-productive	9.50450910328399
"Caucasian"-cluster	productive	7.28157923617208
"Caucasian"-cluster	productive	7.31568447302796
"Caucasian"-cluster	non-productive	9.74546433601193
"Caucasian"-cluster	productive	7.47361033787863
"Caucasian"-cluster	non-productive	10.194632921699
"Caucasian"-cluster	productive	7.29971069141501
"Caucasian"-cluster	non-productive	9.73057424647433
"Caucasian"-cluster	non-productive	9.1656662665066
"Caucasian"-cluster	productive	7.03785410293922
"Caucasian"-cluster	non-productive	9.58297441094502
"Caucasian"-cluster	productive	7.15527154689297
"Hispanic"-cluster	productive	7.63714870852444
"Hispanic"-cluster	non-productive	10.3715409263035
"Hispanic"-cluster	productive	7.23244373664613
"Hispanic"-cluster	non-productive	9.51272897380343
"Hispanic"-cluster	non-productive	10.361381190368
"Hispanic"-cluster	productive	7.55255048927754
"Caucasian"-cluster	non-productive	9.49588388931134
"Caucasian"-cluster	productive	7.24765825913389
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