Changes

Jump to navigation Jump to search
330 bytes added ,  11:05, 24 December 2020
Line 199: Line 199:  
If we know how the nutritional data for a product is reported, we can normalise that data. And with the normalised data we have a consistent dataset, which can be used to get the real nutritional values. We will normalise on the per 100g values with the formula:
 
If we know how the nutritional data for a product is reported, we can normalise that data. And with the normalised data we have a consistent dataset, which can be used to get the real nutritional values. We will normalise on the per 100g values with the formula:
   −
N<sub>100g</sub> = N<sub>100ml</sub> / sg
+
    N<sub>100g</sub> = N<sub>100ml</sub> * sg
    
In which:
 
In which:
 
* N<sub>100g</sub> is the nutritional value per 100g
 
* N<sub>100g</sub> is the nutritional value per 100g
 
* N<sub>100ml</sub> is the nutritional value per 100ml
 
* N<sub>100ml</sub> is the nutritional value per 100ml
* sg the specific gravity of olive oils
+
* sg the specific gravity of olive oils, for which I use 0.911
    +
The conversion from a volumetric serving to 100ml is:
 +
  N<sub>100ml</sub> = N<sub>serving</sub> * 100 / size<sub>serving</sub>
 +
 +
in which:
 +
* N<sub>100ml</sub> is the nutritional value per 100 ml
 +
* N<sub>serving</sub> is the nutritional value per serving
 +
* size<sub>serving</sub> the serving size in ml
 
=== Categorisation ===
 
=== Categorisation ===
 
The first step to categorise each product into each of the groups.
 
The first step to categorise each product into each of the groups.
3,393

edits

Navigation menu