What is Nearest Neighbors in SAP BI-RA-PA - SAP Predictive Analytics?

SAP Term: Nearest Neighbors

• Component: BI-RA-PA

• Component Name: SAP Predictive Analytics

• Description: Graph containing a specific number of connected nodes. These are determined by their relative distance, which must be indicated in an additional column.

Smart SAP Assistant

• Key Concepts: 
  Nearest Neighbors is a machine learning algorithm used in SAP Predictive Analytics. It is a supervised learning algorithm that uses a training dataset to identify patterns and relationships between data points. The algorithm then uses these patterns to make predictions about new data points. Nearest Neighbors is a non-parametric method, meaning it does not make assumptions about the underlying data distribution. 
  
  How to use it: 
  Nearest Neighbors can be used to predict the value of a target variable based on the values of other variables in the dataset. To use Nearest Neighbors, you must first create a training dataset with labeled data points. The algorithm then uses this dataset to identify patterns and relationships between the data points. Once the patterns are identified, the algorithm can be used to make predictions about new data points. 
  
  Tips & Tricks: 
  When using Nearest Neighbors, it is important to ensure that the training dataset is representative of the data that will be used for prediction. If the training dataset is not representative, the predictions made by the algorithm may not be accurate. Additionally, it is important to ensure that the training dataset contains enough labeled data points for the algorithm to identify meaningful patterns and relationships. 
  
  Related Information: 
  Nearest Neighbors is one of many machine learning algorithms available in SAP Predictive Analytics. Other algorithms include Decision Trees, Support Vector Machines, and Neural Networks. Each algorithm has its own strengths and weaknesses, so it is important to choose an algorithm that best fits your specific use case. Additionally, SAP Predictive Analytics also offers a variety of tools for preprocessing and analyzing data before applying machine learning algorithms.