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In the backward elimination process, what happened in the first step? How many steps are in the process? Additional for it is when you perform F-test on the overall model, what will be the decision?

In the backward elimination process, what happened in the first step? How many steps are in the process? Additional for it is when you perform F-test on the overall model, what will be the decision?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In the backward elimination process, what happened in the first step? How many steps are in the process? Additional for it is when you perform F-test on the overall model, what will be the decision?
Statistica - [data_survival - Regression Summary for Dependent Variable: logsurvival (Sheet1 in data_survival)] Data Mining Graphs Tools Data Workbook View Format Statistics ReplaceRandom Values fo a DDE OLE Repeat Move Screen Find Copy Down Copy Right Variables Cases Variables Cases OLE Edit Catcher Object . ➜Go To Find/Replace Object Links Dictionary Clipboard/Data Fill Standardize Insert Regression Summary for Dependent Variable: logsurvival (Sheet1 in data_survival) R= 90152235 R²= .81274255 Adjusted R²= .80150710 F(3.50) 72.337 p<.00000 Std.Error of estimate: .11822 bº Std. Err. b Std. Err. of b of b Multiple R t(50) p-value Regress N-54 Sumn Intercept Regre bloodclot 0.566020 0.114946 4.92421 0.000010 0.452009 0.064663 0.074820 0.010703 6.99023 0.000000 0.608695 0.061493 0.009556 0.000965 9.89853 0.652632 0.064536 0.007794 0.000771 10.11270 Sumn pindex 0.000000 0.000000 Analy enzyme Sumn FO Encyn Regre Analy Pa Sumn Sumn Regre Sumn Regre Regression Summary for Dependent Variable: logsurvival (Sheet... Summary Statistics, DV: logsurvival (Sheet1 in data_survival) Multiplo Regression Ro... Ready Regression Summary for Dependent Variable logsurvival (Sheet... Shoot1 in data_survival CI,VI 28°C 8 ENG US Partly sunny FSCCK= Statistica - [data_survival - Analysis of Variance; DV: logsurvival (Sheet1 in data_survival)] Data Mining Graphs Tools Data Workbook Feature Finder File Home Statistics yo Edit View Format Cut Select All Copy Clear. Format Delete Clipboard/Data DDE COLE 19 Variables Cases OLE Paste Move Screen Replace Repeat Go To Find/Replace Random Values Copy Down Copy Right Fill Find Variables Cases Catcher Object Standardize Insert data surviva Analysis of Variance; DV: logsurvival (Sheet1 in data_survival) Sums of df F Sheet1 p-value Mean Squares Squares Multipl Regr Su Effect Regress. Residual 3.032848 3 1.010949 72.33736 0.000000 0.698774 50 0.013975 Total 3.731622 Re Su Ar Ar Su ПРО Re Ar Su Su Re Su Elke Re Su Su Re Re Su 50 Re ke Ar Ar Regr D No 4 Pre DUE Summary Statistics, DV: logsurvival (Sheet1 in data_survival) Regression Summary for Dependent Variable: logsurvival (Sheet Multiple Regression Ro... Ready Sheet1 in data survival ACCER File Home Edit Cut Select All Paste Copy Clear Format Delete" data survival Sheet1 + Feature Finder Edit Dictionary Links Analysis of Variance, DV: logsurvival (Sheet1 in data_survival) CIVI 3.03284817921406 Object 40 D CAP NUM REC 7:34 am 28/04/2022 - 83 4D CAP NUM REC
Transcribed Image Text:Statistica - [data_survival - Regression Summary for Dependent Variable: logsurvival (Sheet1 in data_survival)] Data Mining Graphs Tools Data Workbook View Format Statistics ReplaceRandom Values fo a DDE OLE Repeat Move Screen Find Copy Down Copy Right Variables Cases Variables Cases OLE Edit Catcher Object . ➜Go To Find/Replace Object Links Dictionary Clipboard/Data Fill Standardize Insert Regression Summary for Dependent Variable: logsurvival (Sheet1 in data_survival) R= 90152235 R²= .81274255 Adjusted R²= .80150710 F(3.50) 72.337 p<.00000 Std.Error of estimate: .11822 bº Std. Err. b Std. Err. of b of b Multiple R t(50) p-value Regress N-54 Sumn Intercept Regre bloodclot 0.566020 0.114946 4.92421 0.000010 0.452009 0.064663 0.074820 0.010703 6.99023 0.000000 0.608695 0.061493 0.009556 0.000965 9.89853 0.652632 0.064536 0.007794 0.000771 10.11270 Sumn pindex 0.000000 0.000000 Analy enzyme Sumn FO Encyn Regre Analy Pa Sumn Sumn Regre Sumn Regre Regression Summary for Dependent Variable: logsurvival (Sheet... Summary Statistics, DV: logsurvival (Sheet1 in data_survival) Multiplo Regression Ro... Ready Regression Summary for Dependent Variable logsurvival (Sheet... Shoot1 in data_survival CI,VI 28°C 8 ENG US Partly sunny FSCCK= Statistica - [data_survival - Analysis of Variance; DV: logsurvival (Sheet1 in data_survival)] Data Mining Graphs Tools Data Workbook Feature Finder File Home Statistics yo Edit View Format Cut Select All Copy Clear. Format Delete Clipboard/Data DDE COLE 19 Variables Cases OLE Paste Move Screen Replace Repeat Go To Find/Replace Random Values Copy Down Copy Right Fill Find Variables Cases Catcher Object Standardize Insert data surviva Analysis of Variance; DV: logsurvival (Sheet1 in data_survival) Sums of df F Sheet1 p-value Mean Squares Squares Multipl Regr Su Effect Regress. Residual 3.032848 3 1.010949 72.33736 0.000000 0.698774 50 0.013975 Total 3.731622 Re Su Ar Ar Su ПРО Re Ar Su Su Re Su Elke Re Su Su Re Re Su 50 Re ke Ar Ar Regr D No 4 Pre DUE Summary Statistics, DV: logsurvival (Sheet1 in data_survival) Regression Summary for Dependent Variable: logsurvival (Sheet Multiple Regression Ro... Ready Sheet1 in data survival ACCER File Home Edit Cut Select All Paste Copy Clear Format Delete" data survival Sheet1 + Feature Finder Edit Dictionary Links Analysis of Variance, DV: logsurvival (Sheet1 in data_survival) CIVI 3.03284817921406 Object 40 D CAP NUM REC 7:34 am 28/04/2022 - 83 4D CAP NUM REC
Format Delete data_survival Sheet1 Catcher Copy Right Go To Find/Replace Fill Standardize Summary of Stepwise Regression; DV: logsurvival (Sheet1 in data_survival) F-to p-value Step Multiple R Multiple R-square R-square +in/-out change entr/rem 0.812743 -0.008438 2.312194 0.134790 0.901522 Clipboard/Data Multiple R Variable Regress liver Sumn = Bancy Regre Sumn Com Analy Sumn pr Regre Banegie Analy Stian Sumn Sumn Regre Sumn Regre Sumn Variables included Insert 3 Object Object Links Dictionary
Transcribed Image Text:Format Delete data_survival Sheet1 Catcher Copy Right Go To Find/Replace Fill Standardize Summary of Stepwise Regression; DV: logsurvival (Sheet1 in data_survival) F-to p-value Step Multiple R Multiple R-square R-square +in/-out change entr/rem 0.812743 -0.008438 2.312194 0.134790 0.901522 Clipboard/Data Multiple R Variable Regress liver Sumn = Bancy Regre Sumn Com Analy Sumn pr Regre Banegie Analy Stian Sumn Sumn Regre Sumn Regre Sumn Variables included Insert 3 Object Object Links Dictionary
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