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The category [https://world.openfoodfacts.org/category/hazelnuts Hazelnuts]  
 
The category [https://world.openfoodfacts.org/category/hazelnuts Hazelnuts]  
 +
 +
== Product names ==
 +
The product names should contain the word '''Hazelnut''' or something related. Analysing these product names might help to find wrongly classified products or identify new subcategories. This should be done for each language. A [https://www.wordclouds.com word cloud] gives a first impression.
 +
<gallery>
 +
WordcloudHazelnutsNL20241122.png|Dutch
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WordcloudHazelnutsEN20241122.png|English
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WordcloudHazelnutsFR20241122.png|French
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WordcloudHazelnutsDE20241122.png|German
 +
WordcloudHazelnutsIT20241122.png|Italian
 +
WordcloudHazelnutsIT20241122.png|Spanish
 +
</gallery>
    
== Categorisation ==
 
== Categorisation ==
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=== Sub-categories ===
 
=== Sub-categories ===
 
These subcategories are orthogonal: a product can be assigned one or more of the subcategories. This category has two main subcategories:
 
These subcategories are orthogonal: a product can be assigned one or more of the subcategories. This category has two main subcategories:
* [https://world.openfoodfacts.org/category/unshelled-hazelnuts Shelled hazelnuts] for '''Hazelnuts''' that still have their shell. There are no additional processes?
+
* [https://world.openfoodfacts.org/category/unshelled-hazelnuts Unshelled hazelnuts] for '''Hazelnuts''' that still have their shell. There are no additional processes?
 
* [https://world.openfoodfacts.org/category/shelled-hazelnuts Shelled hazelnuts] for '''Hazelnuts''' that are shelled. This is the main category that has several orthogonal subdivisions:
 
* [https://world.openfoodfacts.org/category/shelled-hazelnuts Shelled hazelnuts] for '''Hazelnuts''' that are shelled. This is the main category that has several orthogonal subdivisions:
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==== Roasted or not ====
 
==== Roasted or not ====
* [https://world.openfoodfacts.org/category/roasted-hazelnuts Roasted hazelnuts];
  −
* [https://world.openfoodfacts.org/category/raw-hazelnuts Raw hazelnuts];
  −
  −
==== Salted or not ====
   
* [https://world.openfoodfacts.org/category/roasted-hazelnuts Roasted hazelnuts];
 
* [https://world.openfoodfacts.org/category/roasted-hazelnuts Roasted hazelnuts];
 
* [https://world.openfoodfacts.org/category/raw-hazelnuts Raw hazelnuts];
 
* [https://world.openfoodfacts.org/category/raw-hazelnuts Raw hazelnuts];
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* [https://world.openfoodfacts.org/category/fr:noisette-de-cervione Hazelnuts from Cervione] - no products on 11 oct 2024;
 
* [https://world.openfoodfacts.org/category/fr:noisette-de-cervione Hazelnuts from Cervione] - no products on 11 oct 2024;
 
* [https://world.openfoodfacts.org/category/es:avellana-de-reus Hazelnuts from Reus];
 
* [https://world.openfoodfacts.org/category/es:avellana-de-reus Hazelnuts from Reus];
 +
 +
=== Convenience subcategories ===
 +
These categories combine or more orthogonal subcategories:
 +
* [https://world.openfoodfacts.org/category/blanched-roasted-hazelnuts Blanched roasted hazelnuts];
 +
* [https://world.openfoodfacts.org/category/roasted-hazelnuts-with-skin Roasted hazelnuts with skin];
 +
* [https://world.openfoodfacts.org/category/hazelnut-grilled-salted Roasted hazelnuts];
 +
* [https://world.openfoodfacts.org/category/unsalted-hazelnuts Hazelnuts (unsalted)] the same as [https://world.openfoodfacts.org/category/hazelnuts/ingredient/salt hazelnuts + ingredient salt];
    
=== Related categories ===
 
=== Related categories ===
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** none
 
** none
   −
=== Fresh Broccoli ===
+
=== Raw hazelnuts ===
 
* Required ingredients  
 
* Required ingredients  
** [https://world.openfoodfacts.org/category/fresh-aubergines/ingredient/broccoli Broccoli]
+
** [https://world.openfoodfacts.org/category/raw-hazelnuts/ingredient/hazelnut Hazelnut]
 
* Optional ingredients
 
* Optional ingredients
 
** none
 
** none
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** everything else
 
** everything else
   −
=== Frozen Broccoli ===
+
=== Roasted hazelnuts ===
 
* Minimally required ingredients
 
* Minimally required ingredients
** [https://world.openfoodfacts.org/category/frozen-aubergines/ingredient/broccoli Broccoli]
+
** [https://world.openfoodfacts.org/category/frozen-aubergines/ingredient/hazelnut Hazelnut]
 
* Optional ingredients  
 
* Optional ingredients  
** none
+
** [https://world.openfoodfacts.org/category/roasted-hazelnuts/ingredient/salt Salt];
 +
** [https://world.openfoodfacts.org/category/roasted-hazelnuts/ingredient/oil-and-fat Oil and fat];
 
* Disallowed ingredients
 
* Disallowed ingredients
 
** everything else
 
** everything else
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== Nutritional information ==
 
== Nutritional information ==
=== Fresh broccoli ===
+
=== Nutritional profile ===
 +
[[File:HazelnutsNutritionalProfile.png|500 px|thumb|center|Hazelnuts Nutritional Profile]]
 +
=== Hazelnuts ===
 +
Might need more data to be able to determine.
 
{| class="wikitable sortable"
 
{| class="wikitable sortable"
 
!
 
!
!lower
   
! min
 
! min
 
! 10%
 
! 10%
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! 90%
 
! 90%
 
! max
 
! max
 +
! iqd
 +
! lower
 
! upper
 
! upper
 
|-
 
|-
 
|Energy (kJ/100g)
 
|Energy (kJ/100g)
|
+
|2372
|0
+
|2640
|0
+
|2800
|148
+
|2940
|176
+
|3080
|195
+
|440
|
+
|2200
 +
|3520
 
|-
 
|-
 
|Fat (%)
 
|Fat (%)
|
+
|40
|0
+
|60
|0
+
|62.5
|0.4
+
|67
|0.5
+
|71.2
|0.51
+
|7
|
+
|53
 +
|74
 
|-
 
|-
 
|Saturated fat (%)
 
|Saturated fat (%)
|
+
|1.5
|0
+
|4.1
 +
|4.6
 +
|5.8
 +
|8.87
 +
|4.77
 
|0
 
|0
|0.049
+
|13.64
|0.12
  −
|0.5
  −
|
   
|-
 
|-
 
|Carbohydrates (%)
 
|Carbohydrates (%)
|
+
|1.9
|0
+
|4.1
|0
+
|7.74
|2.8
+
|17
|6.6
+
|40
|7.06
+
|12.9
|
+
|
 +
|29.9
 
|-
 
|-
 
|Sugars (%)
 
|Sugars (%)
|
  −
|1.1
  −
|1.18
  −
|2
  −
|2.5
  −
|3
  −
|
  −
|-
  −
|Fiber (%)
  −
|
  −
|2.23
  −
|2.35
  −
|2.9
  −
|3.7
  −
|4.8
  −
|
  −
|-
  −
|Proteins (%)
  −
|
  −
|0
  −
|1.3
  −
|2.8
  −
|3.8
  −
|3.9
  −
|
  −
|-
  −
|Salt (%)
  −
|
  −
|0.02
  −
|0.03
  −
|0.061
  −
|0.088
  −
|0.1
  −
|
  −
|-
  −
|Fruit (%)
  −
|
  −
|
  −
|
  −
|100
  −
|
  −
|
  −
|
  −
|}
  −
  −
=== Frozen broccoli ===
  −
{| class="wikitable sortable"
  −
!
  −
!lower
  −
!min
  −
!10%
  −
!25%
  −
!med
  −
!75%
  −
!90%
  −
!max
  −
!upper
  −
|-
  −
|Energy (kJ/100g)
  −
|56
  −
|79.8
  −
|88
  −
|98
  −
|117.8
  −
|126
  −
|130
  −
|130.2
  −
|168
  −
|-
  −
|Fat (%)
  −
|
  −
|0
  −
|0
  −
|
  −
|0.1
  −
|
   
|0.8
 
|0.8
|1.33
+
|3.1
|
+
|4.3
|-
+
|5.3
|Saturated fat (%)
+
|12.5
|
+
|2.2
|0
  −
|0
  −
|
  −
|0
  −
|
  −
|0.2
  −
|1
  −
|
  −
|-
  −
|Carbohydrates (%)
  −
|
  −
|0
  −
|1.4
  −
|
  −
|3.5
  −
|
  −
|5.5
  −
|9.97
  −
|
  −
|-
  −
|Sugars (%)
  −
|
  −
|0
   
|0.9
 
|0.9
|
+
|7.5
|1.5
  −
|
  −
|2.35
  −
|5.3
  −
|
   
|-
 
|-
 
|Fiber (%)
 
|Fiber (%)
|
+
|2
|1.4
+
|7.5
|2.3
+
|9.4
|
+
|12
|2.5
+
|16
|
+
|1.9
|3.53
+
|5.6
|6
+
|11.3
|
   
|-
 
|-
 
|Proteins (%)
 
|Proteins (%)
|
+
|4.2
|1.18
+
|13.3
|1.18
+
|15
|
+
|17
|2.47
+
|24
|
+
|3.7
|3.53
+
|9.6
|5
+
|20.7
|
   
|-
 
|-
 
|Salt (%)
 
|Salt (%)
 
|0
 
|0
 
|0
 
|0
 +
|0.002
 +
|0.05
 +
|2
 +
|0.05
 
|0
 
|0
|0
+
|0.1
|0
  −
|0.007
  −
|0.011
  −
|0.011
  −
|0.02
   
|-
 
|-
 
|Fruit (%)
 
|Fruit (%)
|
   
|
 
|
 
|
 
|
 
|
 
|
 
|100
 
|100
|
   
|
 
|
 
|
 
|
 
|
 
|
 
|}
 
|}
 +
 +
==== Roasted hazelnuts ====
 +
This might be an interesting subcategory to have the nutritional values for. But this might require a split in products that have salt or oil. Most product do not add these ingredients.
    
=== Comparing categories ===
 
=== Comparing categories ===
 
Not enough to compare.
 
Not enough to compare.
   −
== Quality Monitoring ==
+
=== Nutrition score ===
=== Generic errors ===
+
[[File:HazelnutsNutritionScore.png|400 px|thumb|center|Hazelnuts Nutrition Score]]
* [https://world.openfoodfacts.org/category/hazelnuts/data-quality-errors Errors]
+
A lot of products seem to have a large Nutrition score. All should fall in the light green part of the graph.
 +
[[File:HazelnutsNutriscore.png|200 px|thumb|center|Hazelnuts Nutriscore]]
    +
== Quality Profile ==
 
=== Categorisation errors ===
 
=== Categorisation errors ===
 
* Single ingredient check:
 
* Single ingredient check:
** [https://world.openfoodfacts.org/data-quality-error/ingredients-single-ingredient-from-category-does-not-match-actual-ingredients/category/hazelnut-powders Hazelnut powders] should only contain the ingredient ''Hazelnut'';
+
** [https://world.openfoodfacts.org/data-quality-error/ingredients-single-ingredient-from-category-does-not-match-actual-ingredients/category/raw-hazelnuts Raw hazelnuts] should only contain the ingredient ''Hazelnuts'';
** [https://world.openfoodfacts.org/data-quality-error/ingredients-single-ingredient-from-category-does-not-match-actual-ingredients/category/shelled-hazelnuts Shelled hazelnuts] should only contain the ingredient ''Hazelnuts'';
   
* Opposites:
 
* Opposites:
** [https://world.openfoodfacts.org/category/hazelnut-powders Hazelnut powders] and [https://world.openfoodfacts.org/category/shelled-hazelnuts Shelled hazelnuts] should not be assigned simultaneously;
+
** [https://world.openfoodfacts.org/category/unshelled-hazelnuts unshelled-hazelnuts] and [https://world.openfoodfacts.org/category/shelled-hazelnuts Shelled hazelnuts] should not be assigned simultaneously;
 +
** [https://world.openfoodfacts.org/category/hazelnut-powders Hazelnut powders] and [https://world.openfoodfacts.org/category/hazelnuts-(whole) Hazelnuts (whole)] should not be assigned simultaneously;
 
** [https://world.openfoodfacts.org/category/blanched-shelled-hazelnuts Blanched shelled hazelnuts] and [https://world.openfoodfacts.org/category/shelled-hazelnuts-with-skin Shelled hazelnuts with skin] should not be assigned simultaneously;
 
** [https://world.openfoodfacts.org/category/blanched-shelled-hazelnuts Blanched shelled hazelnuts] and [https://world.openfoodfacts.org/category/shelled-hazelnuts-with-skin Shelled hazelnuts with skin] should not be assigned simultaneously;
** [https://world.openfoodfacts.org/category/raw-shelled-hazelnuts Raw shelled hazelnuts] and [https://world.openfoodfacts.org/category/roasted-hazelnuts Roasted hazelnuts] should not be assigned simultaneously;
+
** [https://world.openfoodfacts.org/category/raw-hazelnuts Raw hazelnuts] and [https://world.openfoodfacts.org/category/roasted-hazelnuts Roasted hazelnuts] should not be assigned simultaneously;
 +
* Oneside opposites:
 +
These are categories which are incompatible and which are often due to adding an ingredient as a category:
 +
** [https://world.openfoodfacts.org/category/sweet-spreads Sweet spreads] - to suppress chocolate-hazelnut creams;
 +
** [https://world.openfoodfacts.org/category/almonds Almonds] - to suppress mixed nuts;
 +
** [https://world.openfoodfacts.org/category/walnuts Walnuts] - to suppress mixed nuts;
 +
** [https://world.openfoodfacts.org/category/snacks Snacks] - to suppress bars with hazelnut;
 +
** [https://world.openfoodfacts.org/category/dried-fruits Dried fruits] - to mixes with dried fruits, such as raisins;
 +
 
 +
== Category monitoring ==
 +
=== Generic errors ===
 +
* [https://world.openfoodfacts.org/category/hazelnuts/data-quality-errors Errors]
 +
 
 +
=== Hunger Game ===
 +
* Unclassified images of [https://hunger.openfoodfacts.org/questions?country=en%3Aworld&type=category&value_tag=en%3Ahazelnuts Hazelnuts].
 +
* Unclassified images of [https://hunger.openfoodfacts.org/questions?country=en%3Aworld&type=category&value_tag=en%3Ashelled-hazelnuts Shelled hazelnuts].
 +
* Unclassified images of [https://hunger.openfoodfacts.org/questions?country=en%3Aworld&type=category&value_tag=en%3Aroasted-hazelnuts Roasted hazelnuts].
 +
* Unclassified images of [https://hunger.openfoodfacts.org/questions?country=en%3Aworld&type=category&value_tag=en%3Ablanched-hazelnuts Blanched hazelnuts].
 +
 
 +
=== Extracting data ===
 +
* Nutritional values: [https://world.openfoodfacts.org/state/nutrition-facts-to-be-completed/state/nutrition-photo-selected/category/hazelnuts products] for which the nutritional values can be extracted from the associated image;
 +
* Ingredients: [https://world.openfoodfacts.org/state/ingredients-to-be-completed/state/ingredients-photo-selected/category/hazelnuts products] for which the ingredients can be extracted from the associated image;
    
=== Nutritional errors ===
 
=== Nutritional errors ===
To be defined
+
* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=hazelnuts&tagtype_1=ingredients&tag_contains_1=does_not_contain&tag_1=salt&nutriment_0=energy&nutriment_compare_0=lt&nutriment_value_0=2200&nutriment_1=energy&nutriment_compare_1=gt&nutriment_value_1=3520&sort_by=unique_scans_n&page_size=20&axis_x=energy&axis_y=nutrition-score-fr&series_nutrition_grades=on Energy envelope check]
 +
* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=hazelnuts&tagtype_1=ingredients&tag_contains_1=does_not_contain&tag_1=salt&nutriment_0=fat&nutriment_compare_0=lt&nutriment_value_0=53&nutriment_1=energy&nutriment_compare_1=gt&nutriment_value_1=74&sort_by=unique_scans_n&page_size=20&axis_x=energy&axis_y=nutrition-score-fr&series_nutrition_grades=on Fat envelope check]
 +
* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=hazelnuts&tagtype_1=ingredients&tag_contains_1=does_not_contain&tag_1=salt&nutriment_0=saturated-fat&nutriment_compare_0=lt&nutriment_value_0=0&nutriment_1=saturated-fat&nutriment_compare_1=gt&nutriment_value_1=13.64&sort_by=unique_scans_n&page_size=20&axis_x=energy&axis_y=nutrition-score-fr&series_nutrition_grades=on Saturated fat envelope check]
 +
* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=hazelnuts&tagtype_1=ingredients&tag_contains_1=does_not_contain&tag_1=salt&nutriment_0=carbohydrates&nutriment_compare_0=lt&nutriment_value_0=0&nutriment_1=carbohydrates&nutriment_compare_1=gt&nutriment_value_1=29.9&sort_by=unique_scans_n&page_size=20&axis_x=energy&axis_y=nutrition-score-fr&series_nutrition_grades=on Carbohydrates envelope check]
 +
* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=hazelnuts&tagtype_1=ingredients&tag_contains_1=does_not_contain&tag_1=salt&nutriment_0=sugars&nutriment_compare_0=lt&nutriment_value_0=0.9&nutriment_1=sugars&nutriment_compare_1=gt&nutriment_value_1=297.59&sort_by=unique_scans_n&page_size=20&axis_x=energy&axis_y=nutrition-score-fr&series_nutrition_grades=on Sugars envelope check]
 +
* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=hazelnuts&nutriment_0=fiber&nutriment_compare_0=lt&nutriment_value_0=5.6&nutriment_1=fiber&nutriment_compare_1=gt&nutriment_value_1=11.3&sort_by=unique_scans_n&page_size=20&axis_x=energy&axis_y=nutrition-score-fr&series_nutrition_grades=on Fiber envelope check]
 +
* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=hazelnuts&nutriment_0=proteins&nutriment_compare_0=lt&nutriment_value_0=9.6&nutriment_1=proteins&nutriment_compare_1=gt&nutriment_value_1=20.7&sort_by=product_name&page_size=20&axis_x=energy&axis_y=nutrition-score-fr&series_nutrition_grades=on Proteins envelope check]
 +
* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=hazelnuts&nutriment_0=salt&nutriment_compare_0=lt&nutriment_value_0=0&nutriment_1=salt&nutriment_compare_1=gt&nutriment_value_1=0.1&sort_by=unique_scans_n&page_size=20&axis_x=energy&axis_y=nutrition-score-fr&series_nutrition_grades=on Salt envelope check]
    
== Sales format ==
 
== Sales format ==
5,588

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