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+{"paragraphs":[{"text":"%md\n## These SQL statistical functions examples show several use cases of descriptive and comparative statistics being performed inside the Oracle Database.","user":"CHBERGER","dateUpdated":"2017-09-03T21:43:43+0000","config":{"colWidth":8,"editorMode":"ace/mode/markdown","graph":{"mode":"table","optionOpen":false,"keys":[],"values":[],"scatter":{},"groups":[],"height":85.6667},"enabled":true,"title":false,"editorHide":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1464792666489_-1927519105","id":"20160601-105106_98198174","result":{"code":"SUCCESS","type":"HTML","msg":"<h2>These SQL statistical functions examples show several use cases of descriptive and comparative statistics being performed inside the Oracle Database.</h2>\n"},"dateCreated":"2017-09-01T14:54:21+0000","dateStarted":"2017-09-03T21:43:41+0000","dateFinished":"2017-09-03T21:43:41+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:107"},{"text":"%md\n\n![tiny arrow](http://www.oracle.com/ocom/groups/public/@otn/documents/webcontent/2773732.jpg \"tiny arrow\")\n","user":"CHBERGER","dateUpdated":"2017-09-03T21:42:57+0000","config":{"colWidth":4,"graph":{"mode":"table","height":120.667,"optionOpen":false,"keys":[],"values":[],"groups":[],"scatter":{}},"enabled":true,"editorMode":"ace/mode/markdown","editorHide":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504474834014_-1561916932","id":"20170903-214034_982857293","result":{"code":"SUCCESS","type":"HTML","msg":"<p><img src=\"http://www.oracle.com/ocom/groups/public/@otn/documents/webcontent/2773732.jpg\" alt=\"tiny arrow\" title=\"tiny arrow\" /></p>\n"},"dateCreated":"2017-09-03T21:40:34+0000","dateStarted":"2017-09-03T21:41:40+0000","dateFinished":"2017-09-03T21:41:40+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:108"},{"text":"%md\n### For more information on this, check the Oracle 12.2 Documentation  \n#### http://docs.oracle.com/database/121/SQLRF/functions191.htm#SQLRF06323","user":"CHBERGER","dateUpdated":"2017-09-01T15:07:31+0000","config":{"colWidth":12,"graph":{"mode":"table","height":300,"optionOpen":false,"keys":[],"values":[],"groups":[],"scatter":{}},"enabled":true,"editorMode":"ace/mode/markdown","editorHide":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504277805505_-661425658","id":"20170901-145645_781975700","result":{"code":"SUCCESS","type":"HTML","msg":"<h3>For more information on this, check the Oracle 12.2 Documentation</h3>\n<h4>http://docs.oracle.com/database/121/SQLRF/functions191.htm#SQLRF06323</h4>\n"},"dateCreated":"2017-09-01T14:56:45+0000","dateStarted":"2017-09-01T15:03:28+0000","dateFinished":"2017-09-01T15:03:28+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:109"},{"title":"Display the Statistical Mode","text":"%sql\nSELECT STATS_MODE(MARITAL_STATUS) from CUST_INSUR_LTV;","user":"CHBERGER","dateUpdated":"2017-09-01T15:09:20+0000","config":{"colWidth":12,"graph":{"mode":"table","height":84.6667,"optionOpen":false,"keys":[{"name":"STATS_MODE(MARITAL_STATUS)","index":0,"aggr":"sum"}],"values":[],"groups":[],"scatter":{"xAxis":{"name":"STATS_MODE(MARITAL_STATUS)","index":0,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504278192785_2114736870","id":"20170901-150312_843346827","result":{"code":"SUCCESS","type":"TABLE","msg":"STATS_MODE(MARITAL_STATUS)\nSINGLE\n","comment":""},"dateCreated":"2017-09-01T15:03:12+0000","dateStarted":"2017-09-01T15:08:34+0000","dateFinished":"2017-09-01T15:08:34+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:110"},{"title":"Display Median MORTGAGE_AMOUNT","text":"%sql\nSELECT MEDIAN(MORTGAGE_AMOUNT) from CUST_INSUR_LTV;\n","user":"CHBERGER","dateUpdated":"2017-09-01T15:14:24+0000","config":{"colWidth":12,"graph":{"mode":"table","height":89.6667,"optionOpen":true,"keys":[{"name":"MEDIAN(MORTGAGE_AMOUNT)","index":0,"aggr":"sum"}],"values":[{"name":"MEDIAN(MORTGAGE_AMOUNT)","index":0,"aggr":"sum"}],"groups":[],"scatter":{"xAxis":{"name":"MEDIAN(MORTGAGE_AMOUNT)","index":0,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504278496602_320063852","id":"20170901-150816_1406828413","result":{"code":"SUCCESS","type":"TABLE","msg":"MEDIAN(MORTGAGE_AMOUNT)\n1100\n","comment":""},"dateCreated":"2017-09-01T15:08:16+0000","dateStarted":"2017-09-01T15:14:24+0000","dateFinished":"2017-09-01T15:14:24+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:111"},{"title":"Display Median MORTGAGE_AMOUNT for each MARITAL_STATUS","text":"%sql\nSELECT MARITAL_STATUS, MEDIAN(MORTGAGE_AMOUNT) from CUST_INSUR_LTV GROUP BY MARITAL_STATUS;\n","user":"CHBERGER","dateUpdated":"2017-09-01T15:14:12+0000","config":{"colWidth":12,"graph":{"mode":"table","height":189.667,"optionOpen":false,"keys":[{"name":"MARITAL_STATUS","index":0,"aggr":"sum"}],"values":[{"name":"MEDIAN(MORTGAGE_AMOUNT)","index":1,"aggr":"sum"}],"groups":[],"scatter":{"xAxis":{"name":"MARITAL_STATUS","index":0,"aggr":"sum"},"yAxis":{"name":"MEDIAN(MORTGAGE_AMOUNT)","index":1,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504278581744_-234435934","id":"20170901-150941_1156635930","result":{"code":"SUCCESS","type":"TABLE","msg":"MARITAL_STATUS\tMEDIAN(MORTGAGE_AMOUNT)\nMARRIED\t1200\nWIDOWED\t6000\nDIVORCED\t2994\nOTHER\t15500\nSINGLE\t0\n","comment":""},"dateCreated":"2017-09-01T15:09:41+0000","dateStarted":"2017-09-01T15:11:04+0000","dateFinished":"2017-09-01T15:11:04+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:112"},{"title":"Display Median MORTGAGE_AMOUNT for each MARITAL_STATUS in Ascending Order","text":"%sql\nSELECT MARITAL_STATUS, MEDIAN(MORTGAGE_AMOUNT) from CUST_INSUR_LTV GROUP BY MARITAL_STATUS ORDER BY MEDIAN(MORTGAGE_AMOUNT) ASC;","user":"CHBERGER","dateUpdated":"2017-09-01T15:13:58+0000","config":{"colWidth":12,"graph":{"mode":"table","height":179.667,"optionOpen":false,"keys":[{"name":"MARITAL_STATUS","index":0,"aggr":"sum"}],"values":[{"name":"MEDIAN(MORTGAGE_AMOUNT)","index":1,"aggr":"sum"}],"groups":[],"scatter":{"xAxis":{"name":"MARITAL_STATUS","index":0,"aggr":"sum"},"yAxis":{"name":"MEDIAN(MORTGAGE_AMOUNT)","index":1,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504278664138_1303728872","id":"20170901-151104_2045753922","result":{"code":"SUCCESS","type":"TABLE","msg":"MARITAL_STATUS\tMEDIAN(MORTGAGE_AMOUNT)\nSINGLE\t0\nMARRIED\t1200\nDIVORCED\t2994\nWIDOWED\t6000\nOTHER\t15500\n","comment":""},"dateCreated":"2017-09-01T15:11:04+0000","dateStarted":"2017-09-01T15:13:41+0000","dateFinished":"2017-09-01T15:13:41+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:113"},{"title":"ANOVA Analysis of Variance SQL function using CUSTOMERS and SALES tables","text":"%sql\n-- Compares AMOUNT_SOLD by CUST_GENDER using ANOVA  {see http://docs.oracle.com/database/121/SQLRF/functions190.htm#SQLRF06322)\nSELECT cust_gender, \n       STATS_ONE_WAY_ANOVA(cust_income_level, amount_sold, 'F_RATIO') f_ratio, \n       STATS_ONE_WAY_ANOVA(cust_income_level, amount_sold, 'SIG') p_value \n  FROM customers c, sales s \n  WHERE c.cust_id = s.cust_id \n  GROUP BY cust_gender \n  ORDER BY cust_gender","user":"CHBERGER","dateUpdated":"2017-09-03T22:20:36+0000","config":{"colWidth":12,"graph":{"mode":"table","height":129.667,"optionOpen":false,"keys":[{"name":"CUST_GENDER","index":0,"aggr":"sum"}],"values":[{"name":"F_RATIO","index":1,"aggr":"sum"}],"groups":[],"scatter":{"xAxis":{"name":"CUST_GENDER","index":0,"aggr":"sum"},"yAxis":{"name":"F_RATIO","index":1,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504476890454_-761476708","id":"20170903-221450_790144396","result":{"code":"SUCCESS","type":"TABLE","msg":"CUST_GENDER\tF_RATIO\tP_VALUE\nF\t5.59536943380348098522161131866950331161E00\t0.0000000047839510702026533\nM\t9.28650009884073109484293273601018786536E00\t0.000000000000000067139449119250277\n","comment":""},"dateCreated":"2017-09-03T22:14:50+0000","dateStarted":"2017-09-03T22:20:36+0000","dateFinished":"2017-09-03T22:20:36+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:114"},{"title":"Compare the Average Amount Purchased by Men vs. Sold to Women using a SQL Statistical t-test","text":"%sql\n-- Uses SQL t-test function.  (See http://docs.oracle.com/database/121/SQLRF/functions191.htm#SQLRF06323)\n-- Statistical SQL functions for performing t-test in-Database using the SH.Sales and SH.Customers tables. The t-test measures the significance of a difference of means.  \n-- You can use it to compare the means of two groups or the means of one group with a constant. A t-test is any statistical hypothesis test in which the test statistic\n-- follows a Student's t-distribution under the null hypothesis. It can be used to determine if two sets of data are significantly different from each other, and is most\n-- commonly applied when the test statistic would follow a normal distribution if the value of a scaling term in the test statistic were known. When the scaling term is\n-- unknown and is replaced by an estimate based on the data, the test statistic (under certain conditions) follows a Student's t distribution. \n-- See https://en.wikipedia.org/wiki/Student%27s_t-test\n\nSELECT substr(cust_income_level,1,22) income_level,  \n\tavg(decode(cust_gender,'M',amount_sold,null)) sold_to_men,  \n\tavg(decode(cust_gender,'F',amount_sold,null)) sold_to_women,  \n\tstats_t_test_indep(cust_gender, amount_sold, 'STATISTIC','F') t_observed,  \n\tstats_t_test_indep(cust_gender, amount_sold) two_sided_p_value   \nFROM customers c, sales s  \nWHERE c.cust_id=s.cust_id  \nGROUP BY rollup(cust_income_level)  \n\tORDER BY 1","user":"CHBERGER","dateUpdated":"2017-09-03T22:23:50+0000","config":{"colWidth":12,"graph":{"mode":"table","height":300,"optionOpen":false,"keys":[{"name":"INCOME_LEVEL","index":0,"aggr":"sum"}],"values":[{"name":"SOLD_TO_MEN","index":1,"aggr":"sum"}],"groups":[],"scatter":{"xAxis":{"name":"INCOME_LEVEL","index":0,"aggr":"sum"},"yAxis":{"name":"SOLD_TO_MEN","index":1,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504277741769_-1428892445","id":"20170901-145541_1558980534","result":{"code":"SUCCESS","type":"TABLE","msg":"INCOME_LEVEL\tSOLD_TO_MEN\tSOLD_TO_WOMEN\tT_OBSERVED\tTWO_SIDED_P_VALUE\nA: Below 30,000\t1.05283489772952935725160521612497517707E02\t9.94281446665347318424698199089649713042E01\t-1.9880628862965003453000499545849720696E00\t0.046811481623777469\nB: 30,000 - 49,999\t1.02596509506751171121521080187379443373E02\t1.09829641827200369131387703310647133464E02\t3.04330875305933768828356081806506107293E00\t0.0023410534279906534\nC: 50,000 - 69,999\t1.05627588073092435591406700139929212281E02\t1.1012793101212474875186409907281333074E02\t2.36148671478380608770034427066569893976E00\t0.018204221087140492\nD: 70,000 - 89,999\t1.06630299489770479815187222656185078695E02\t1.10472869932602353887938839150990845991E02\t2.28496442938685864201338188738729328899E00\t0.022316997323373052\nE: 90,000 - 109,999\t1.03396741493733422882966976675356016711E02\t1.01610416258370080026130981544994283848E02\t-1.254457732177727380925691399643432194E00\t0.20967782263168744\nF: 110,000 - 129,999\t1.0676475962059620596205962059620596206E02\t1.05981311948214257102113409495121052379E02\t-6.0444998485409042286883077773557597584E-01\t0.54554530367779175\nG: 130,000 - 149,999\t1.0887753218106477177834848508720792828E02\t1.07313769857029388403494837172359015091E02\t-8.5298244925517117948924536808532181523E-01\t0.3936712177482169\nH: 150,000 - 169,999\t1.10987257925271082257061951792250846053E02\t1.07152191179957322374140520034774361811E02\t-1.9062363114356126707468714606477246534E00\t0.056622982960629141\nI: 170,000 - 189,999\t1.02808237970970733495805206288955507149E02\t1.07435560141216249813534881408184575605E02\t2.18477851179480576503992586978513950582E00\t0.028908565891614835\nJ: 190,000 - 249,999\t1.08040563837250087688530340231497720098E02\t1.1534335602976274041836304927699003229E02\t2.58313424607376597238444856321960839286E00\t0.0097945161125223348\nK: 250,000 - 299,999\t1.12377992926083568131406989988609795576E02\t1.08196097330051126680552925582276084075E02\t-1.4107870697666013781348428260460718022E00\t0.15831697281922252\nL: 300,000 and above\t1.20970234575835475578406169665809768638E02\t1.12216342139833600934170194132243468107E02\t-2.0642867829020208870054218880712467782E00\t0.039003861535551458\n\t1.07121844741235392320534223706176961603E02\t1.13804409820585457979225684608120868744E02\t6.86144393091179472374879840908558521905E-01\t0.49267005889819826\n\t1.06663769158722925561162462607385535301E02\t1.07276385820941568458073671870179552045E02\t1.0801349917941618400152893692788042028E00\t0.28008235736076836\n","comment":""},"dateCreated":"2017-09-01T14:55:41+0000","dateStarted":"2017-09-03T22:22:53+0000","dateFinished":"2017-09-03T22:22:54+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:115"},{"title":"Run SQL Correlations Analysis Query to Determine Whether there is a Correlation between the AGE and WEIGHT of People (using LYMPHOMA data and Spearmans correlation)","text":"%sql\nselect CORR_S(AGE, WEIGHT) \tcoefficient,\n\tCORR_S(AGE, WEIGHT, \t'TWO_SIDED_SIG')\n\tp_value, substr(TREATMENT_PLAN, 1,15) as TREATMENT_PLAN\nfrom LYMPHOMA\nGROUP BY TREATMENT_PLAN;  ","user":"CHBERGER","dateUpdated":"2017-09-03T22:04:21+0000","config":{"colWidth":12,"graph":{"mode":"table","height":144.667,"optionOpen":false,"keys":[{"name":"COEFFICIENT","index":0,"aggr":"sum"}],"values":[{"name":"P_VALUE","index":1,"aggr":"sum"}],"groups":[],"scatter":{"xAxis":{"name":"COEFFICIENT","index":0,"aggr":"sum"},"yAxis":{"name":"P_VALUE","index":1,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","lineNumbers":false,"title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504278679152_1146598079","id":"20170901-151119_520932097","result":{"code":"SUCCESS","type":"TABLE","msg":"COEFFICIENT\tP_VALUE\tTREATMENT_PLAN\n0.07293916230870659\t0.43050688502878476\tChemo&Radiation\n-0.026675413715028004\t0.45061319035988978\tChemo_only\n0.026348195180743206\t0.7448529244893255\tExperimental\n-0.097932517509351086\t0.0030225140232899008\tRadiation\n","comment":""},"dateCreated":"2017-09-01T15:11:19+0000","dateStarted":"2017-09-03T22:03:51+0000","dateFinished":"2017-09-03T22:03:51+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:116"},{"title":"Run SQL Cross Tabulations Query to Analyze the Strength of the Association Between TREATMENT_PLAN and GENDER  Grouped By LYMPH_TYPE using a cross tabulation","text":"%sql\nSELECT LYMPH_TYPE,\nstats_crosstab(GENDER, TREATMENT_PLAN,\n\t'CHISQ_OBS') chi_squared,\n\tstats_crosstab(GENDER, TREATMENT_PLAN,\n\t'CHISQ_SIG') p_value,\n\tstats_crosstab(GENDER, TREATMENT_PLAN,\n\t'PHI_COEFFICIENT') phi_coefficient\nFROM LYMPHOMA\n GROUP BY LYMPH_TYPE ORDER BY 1;\n","user":"CHBERGER","dateUpdated":"2017-09-03T22:06:07+0000","config":{"colWidth":12,"graph":{"mode":"table","height":119.667,"optionOpen":false,"keys":[{"name":"LYMPH_TYPE","index":0,"aggr":"sum"}],"values":[{"name":"CHI_SQUARED","index":1,"aggr":"sum"}],"groups":[],"scatter":{"xAxis":{"name":"LYMPH_TYPE","index":0,"aggr":"sum"},"yAxis":{"name":"CHI_SQUARED","index":1,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504475108588_-888238577","id":"20170903-214508_133997196","result":{"code":"SUCCESS","type":"TABLE","msg":"LYMPH_TYPE\tCHI_SQUARED\tP_VALUE\tPHI_COEFFICIENT\nAgressive\t1.14739673290923376773313299747326009652E01\t0.0094205604338903261\t2.36006081552095717905499991773405774376E-01\nIndolent\t6.14325390371723980735077936142008696551E01\t0.00000000000029049412073596857\t1.85359767234911405505035561867026615351E-01\n","comment":""},"dateCreated":"2017-09-03T21:45:08+0000","dateStarted":"2017-09-03T22:06:07+0000","dateFinished":"2017-09-03T22:06:07+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:117"},{"title":"Run 1-Way ANOV SQL Query Query to Compare the Average SIZE_REDUCTION  within Different TREATMENT_PLANS Grouped By LYMPH_TYPE","text":"%sql\nSELECT LYMPH_TYPE,\n   \tstats_one_way_anova(TREATMENT_PLAN,\n   \tSIZE_REDUCTION,'F_RATIO') f_ratio,\n   \tstats_one_way_anova(TREATMENT_PLAN, \n   \tSIZE_REDUCTION,'SIG') p_value\n   \tFROM LYMPHOMA \n\tGROUP BY LYMPH_TYPE ORDER BY 1;\n","user":"CHBERGER","dateUpdated":"2017-09-08T18:19:50+0000","config":{"colWidth":12,"graph":{"mode":"table","height":124.333,"optionOpen":false,"keys":[{"name":"LYMPH_TYPE","index":0,"aggr":"sum"}],"values":[{"name":"F_RATIO","index":1,"aggr":"sum"}],"groups":[],"scatter":{"xAxis":{"name":"LYMPH_TYPE","index":0,"aggr":"sum"},"yAxis":{"name":"F_RATIO","index":1,"aggr":"sum"}}},"enabled":true,"editorMode":"ace/mode/osql","title":true},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504476276725_353636162","id":"20170903-220436_1956458637","result":{"code":"SUCCESS","type":"TABLE","msg":"LYMPH_TYPE\tF_RATIO\tP_VALUE\nAgressive\t1.45110113954054249677479322827316658203E00\t0.22914102847034823\nIndolent\t1.4899720774978706508716099380880518446E01\t0.0000000013950913067140734\n","comment":""},"dateCreated":"2017-09-03T22:04:36+0000","dateStarted":"2017-09-03T22:08:35+0000","dateFinished":"2017-09-03T22:08:35+0000","status":"FINISHED","progressUpdateIntervalMs":500,"commited":true,"$$hashKey":"object:118"},{"text":"","dateUpdated":"2017-09-03T22:07:28+0000","config":{"colWidth":12,"graph":{"mode":"table","height":300,"optionOpen":false,"keys":[],"values":[],"groups":[],"scatter":{}},"enabled":true,"editorMode":"ace/mode/scala"},"settings":{"params":{},"forms":{}},"jobName":"paragraph_1504476438266_787430419","id":"20170903-220718_177703979","dateCreated":"2017-09-03T22:07:18+0000","status":"READY","progressUpdateIntervalMs":500,"commited":false,"$$hashKey":"object:119"}],"name":"SQL Statistical Functions Examples","id":"341","angularObjects":{"ORABFFB941D7E:shared_process":[],"ORA2D5A730F41:shared_process":[],"ORA34E3A55861:shared_process":[],"MDW38312251B1:shared_process":[],"ANG38312251B1:shared_process":[]},"config":{"looknfeel":"default"},"info":{}}