Stepwise regression analysis for the dependent variables and independent variables
| Models | Dependent variable | Independent variables | Included variables | Excluded variables | R2 |
|---|---|---|---|---|---|
| Model 1 | Implementation level of Industry 4.0 applications | Company size, Technological level of products, Level of automation, Level of agility/flexibility, Level of Lean applications and Budget allocation for R&D | Company size, Level of automation, Level of Lean applications and Budget allocation for R&D | Technological level of products, Level of agility/flexibility | 0.479 |
| Model 2 | Plans for strategies of Industry 4.0 | Company size, Technological level of products, Level of automation, Level of agility/flexibility, Level of Lean applications and Budget allocation for R&D | Level of automation, Level of Lean applications and Budget allocation for R&D | Company size, Technological level of products and Level of agility/flexibility | 0.39 |
| Model 3 | Budget allocated for Industry 4.0 applications past two years | Company size, Technological level of products, Level of automation, Level of agility/flexibility, Level of Lean applications and Budget allocation for R&D | Company size, Level of automation, Level of Lean applications and Budget allocation for R&D | Technological level of products, Level of agility/flexibility | 0.451 |
| Models | Dependent variable | Independent variables | Included variables | Excluded variables | R2 |
|---|---|---|---|---|---|
| Model 1 | Implementation level of Industry 4.0 applications | Company size, Technological level of products, Level of automation, Level of agility/flexibility, Level of Lean applications and Budget allocation for R&D | Company size, Level of automation, Level of Lean applications and Budget allocation for R&D | Technological level of products, Level of agility/flexibility | 0.479 |
| Model 2 | Plans for strategies of Industry 4.0 | Company size, Technological level of products, Level of automation, Level of agility/flexibility, Level of Lean applications and Budget allocation for R&D | Level of automation, Level of Lean applications and Budget allocation for R&D | Company size, Technological level of products and Level of agility/flexibility | 0.39 |
| Model 3 | Budget allocated for Industry 4.0 applications past two years | Company size, Technological level of products, Level of automation, Level of agility/flexibility, Level of Lean applications and Budget allocation for R&D | Company size, Level of automation, Level of Lean applications and Budget allocation for R&D | Technological level of products, Level of agility/flexibility | 0.451 |
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