User behavior log density peak clustering method capable of automatically determining clustering center
A user log and automatic determination technology, applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve the problems of large resource consumption, unbalanced user division, long division process time, etc., and achieve the effect of high accuracy
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[0039] In order to understand the process of the present invention more easily, the present invention will take a user behavior data set as an example, and combine figure 1 The flow chart is described in detail below.
[0040]The user behavior density peak clustering method for automatically determining cluster centers of the present invention comprises the following steps:
[0041] Step 1. Read the dataset in the user log data file and calculate the similarity between two users. Assuming that the data set contains 1000 users (user behavior data), calculating the similarity between user i and user j (i, j<=1000) is to calculate the distance between two data points (using Euclidean distance for calculation) . Similarity refers to the degree of similarity in behavior between two users. If the online trajectories are similar and the behavior is the same, the higher the degree of similarity, the two users can be classified as a group of users.
[0042] Step 2. Calculate the sim...
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