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Construction management

E-happiness physiological indicators of construction workers' productivity: A machine learning approach

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Pages 517-526 | Received 05 May 2019, Accepted 18 Oct 2019, Published online: 18 Nov 2019

Figures & data

Table 1. Subjects’ socio-demographic data.

Table 2. Informal break and work task ratios.

Table 3. Data collection method for variables used in this study.

Table 4. Sample of the data used for conducting the multilinear regression analysis.

Table 5. Regression Statistics.

Table 6. Summary of the ANOVA results.

Table 7. Regression coefficients.

Figure 1. Dimensional model of emotions. The model shows how the different emotions can be represented based on valence and arousal.

Figure 1. Dimensional model of emotions. The model shows how the different emotions can be represented based on valence and arousal.

Figure 2. Manual stone casting unit in the LightStone Factory.

Figure 2. Manual stone casting unit in the LightStone Factory.

Figure 3. A subject wearing the two sensors.

Figure 3. A subject wearing the two sensors.

Figure 4. Android mobile application for data collection.

Figure 4. Android mobile application for data collection.

Figure 5. Line fit plot showing the relationship between the worker’s emotional status and task execution duration.

Figure 5. Line fit plot showing the relationship between the worker’s emotional status and task execution duration.