Calculating Average Price
Suppose we have an index called products containing documents with a price field. We can use the average aggregation to calculate the average price of products.
GET /products/_search
{
"aggs": {
"avg_price": {
"avg": {
"field": "price"
}
}
}
}
Output:
{
"aggregations": {
"avg_price": {
"value": 50.25
}
}
}
In this example, the average price of products is calculated to be $50.25.
Elasticsearch Aggregations
Elasticsearch is not just a search engine; it’s a powerful analytics tool that allows you to gain valuable insights from your data. One of the key features that make Elasticsearch so powerful is its ability to perform aggregations.
In this article, we’ll explore Elasticsearch aggregations in detail, explaining what they are, how they work, and providing examples with outputs to help you understand them better.
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