most direct competitors, and explore how many keywords matches your competitors
At capacity 1, every point gets its own cell, and the tree subdivides as deeply as possible. At capacity 10, many points coexist in the same node, and the tree stays shallow.
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"Yes, we'll help you celebrate your 250 years, but you should really help us."
Georgina RannardScience correspondent
* @param max 数据最大值