Explain what is first and last in SAS?
Explain what is first and last in SAS?
题目类型: 技术面试题
这是一道技术面试题，常见于澳洲IT公司面试中。
难度: easy
标签: interviewbit, sas, topic-specific, statistics
参考答案摘要
SAS Programming always uses the BY and SET statements to group data based on the order of grouping. When both BY and SET statements are used together, SAS automatically creates two temporary variables...
答题技巧
技术面试题建议先理清思路再作答，从基础概念讲起，逐步深入。可以结合实际项目经验解释技术原理，展示你的理解深度和实践能力。
本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案、收藏题目并进行模拟面试练习。
