搜索R有助于“for”和“repeat”循环（s）帮助文件(Searching R help for “for” and “repeat” loop(s) help file)
我试图加载描述这些'功能'的页面。 但是，Windows中的R控制台似乎讨厌我，它只返回+
?for ?repeatI'm trying to load the page that describes these 'functions'. However, R console in windows seems to hate me, it just returns +
?for ?repeat最满意答案
for是保留字。 如果你想查找它，你必须使用反引号：
?`for`for is a reserved word. You have to use backticks if you want to look it up:
?`for`更多推荐
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