在口腔健康调查前,流调组成员讨论要采取各种方法尽量减少误差和偏倚,但不能完全避免的是A.选择性偏倚B.无应答偏倚C.抽样误差D...

作者: rantiku 人气: - 评论: 0
问题 在口腔健康调查前,流调组成员讨论要采取各种方法尽量减少误差和偏倚,但不能完全避免的是 A.选择性偏倚 B.无应答偏倚 C.抽样误差 D.测量偏倚 E.回忆偏倚
选项
答案 C
解析

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  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
  • 文件: /twcms/kongphp/cache/cache_redis.class.php
  • 位置: 第 85 行
    <?php echo 'KongPHP, Road to Jane.'; ?>