[ https://issues.apache.org/jira/browse/IGNITE-14919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
zhujiebing updated IGNITE-14919: -------------------------------- Description: The version I use is 2.9.1 . When I run this example,returns as follows. When I put the boston_housing_dataset.txt's first sample data into the formula(Fitting equation ?),I got a negative number (-68.2154436)。I want to know the reason for the negative number。 thanks very much.Thanks for answering。 The first sample data is as follows。 0.02731,0.00,7.070,0,0.4690,6.4210,78.90,4.9671,2,242.0,17.80,396.90,9.14,21.60 Output >>> Model: 0.04*f0 - 0.05*f1 - 0.79*f2 - 10.01*f3 + 0.28*f4 + 0.01*f5 - 0.89*f6 >>> + 0.54*f7 - 0.00*f8 - 0.18*f9 - 0.01*f10 + 0.09*f11 - 0.15*f12 + 14.10 >>> R^2 score: 0.5871216903877478 @org.junit.Test public void test222() { System.out.println(0.04*0.02731 - 0.05*0.00 - 0.79*7.070 - 10.01*0 + 0.28*0.4690 + 0.01*6.4210 - 0.89*78.90 + 0.54*4.9671 - 0.00*2 - 0.18*242.0 - 0.01*17.80 + 0.09*396.90 - 0.15*9.14 + 14.10); // -68.2154436 } very thankful。 was: The version I use is 2.9.1 . When I run this example,returns as follows. When I put the boston_housing_dataset.txt's first sample data into the formula,I got a negative number (-68.2154436)。I want to know the reason for the negative number。 thanks very much.Thanks for answering。 The first sample data is as follows。 0.02731,0.00,7.070,0,0.4690,6.4210,78.90,4.9671,2,242.0,17.80,396.90,9.14,21.60 Output >>> Model: 0.04*f0 - 0.05*f1 - 0.79*f2 - 10.01*f3 + 0.28*f4 + 0.01*f5 - 0.89*f6 >>> + 0.54*f7 - 0.00*f8 - 0.18*f9 - 0.01*f10 + 0.09*f11 - 0.15*f12 + 14.10 >>> R^2 score: 0.5871216903877478 @org.junit.Test public void test222() { System.out.println(0.04*0.02731 - 0.05*0.00 - 0.79*7.070 - 10.01*0 + 0.28*0.4690 + 0.01*6.4210 - 0.89*78.90 + 0.54*4.9671 - 0.00*2 - 0.18*242.0 - 0.01*17.80 + 0.09*396.90 - 0.15*9.14 + 14.10); // -68.2154436 } very thankful。 > [ML] issus for BostonHousePricesPredictionExample > -------------------------------------------------- > > Key: IGNITE-14919 > URL: https://issues.apache.org/jira/browse/IGNITE-14919 > Project: Ignite > Issue Type: Test > Components: examples > Environment: BostonHousePricesPredictionExample > > >>> Perform scoring. > >>> Model: 0.04*f0 - 0.05*f1 - 0.79*f2 - 10.01*f3 + 0.28*f4 + 0.01*f5 - > >>> 0.89*f6 + 0.54*f7 - 0.00*f8 - 0.18*f9 - 0.01*f10 + 0.09*f11 - 0.15*f12 + > >>> 14.10 > >>> R^2 score: 0.5871216903877478 > [23:16:23] Ignite node stopped OK [uptime=00:00:00.817] > Reporter: zhujiebing > Priority: Major > > The version I use is 2.9.1 . > > When I run this example,returns as follows. When I put the > boston_housing_dataset.txt's first sample data into the formula(Fitting > equation ?),I got a negative number (-68.2154436)。I want to know the reason > for the negative number。 thanks very much.Thanks for answering。 > > The first sample data is as follows。 > 0.02731,0.00,7.070,0,0.4690,6.4210,78.90,4.9671,2,242.0,17.80,396.90,9.14,21.60 > > > Output > >>> Model: 0.04*f0 - 0.05*f1 - 0.79*f2 - 10.01*f3 + 0.28*f4 + 0.01*f5 - > >>> 0.89*f6 + 0.54*f7 - 0.00*f8 - 0.18*f9 - 0.01*f10 + 0.09*f11 - 0.15*f12 + > >>> 14.10 > >>> R^2 score: 0.5871216903877478 > > @org.junit.Test > public void test222() > { System.out.println(0.04*0.02731 - 0.05*0.00 - 0.79*7.070 - 10.01*0 + > 0.28*0.4690 + 0.01*6.4210 - 0.89*78.90 + 0.54*4.9671 - 0.00*2 - 0.18*242.0 - > 0.01*17.80 + 0.09*396.90 - 0.15*9.14 + 14.10); // -68.2154436 } > > very thankful。 -- This message was sent by Atlassian Jira (v8.3.4#803005)