Table 3 |
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|
Weight measurement precision evaluated by different indicators based on absolute (mean and standard deviation – SD), root mean square (RMS) and maximum (max.) errors. |
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| Theoretical |
|||||
| Mass tested (g) |
100 |
200 |
300 |
400 |
500 |
| Weight (N) |
0.981 |
1.961 |
2.942 |
3.922 |
4.903 |
|
|
|||||
| Empirical Weights |
|||||
| Mean (N) |
0.991 |
1.982 |
2.968 |
3.948 |
4.924 |
| SD (N) |
0.014 |
0.015 |
0.025 |
0.030 |
0.031 |
| Mean Error (N) |
0.014 |
0.022 |
0.032 |
0.034 |
0.029 |
| SD Error (N) |
0.009 |
0.013 |
0.017 |
0.021 |
0.025 |
| RMS Error (N) |
0.017 |
0.026 |
0.036 |
0.039 |
0.038 |
| Max Error (N) |
0.035 |
0.057 |
0.088 |
0.082 |
0.165 |
Bourbonnais et al. Journal of NeuroEngineering and Rehabilitation 2008 5:2 doi:10.1186/1743-0003-5-2 |
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