A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 109
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 110
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

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您即將離開本站

並前往 https://alankrantas.medium.com/kmeans-%E8%83%BD%E5%BE%9E%E8%B3%87%E6%96%99%E4%B8%AD%E6%89%BE%E5%87%BA-k-%E5%80%8B%E5%88%86%E9%A1%9E%E7%9A%84%E9%9D%9E%E7%9B%A3%E7%9D%A3%E5%BC%8F%E6%A9%9F%E5%99%A8%E5%AD%B8%E7%BF%92%E6%BC%94%E7%AE%97%E6%B3%95-%E6%89%80%E4%BB%A5%E5%AE%83%E5%88%B0%E5%BA%95%E6%9C%89%E5%95%A5%E7%94%A8-%E4%BD%BF%E7%94%A8-scikit-learn-%E8%88%87-python-5dd8c0c8b167

是否確定要離開？