Usage do.call(what, args, quote = FALSE, envir = parent.frame()) Arguments what either a function or a non-empty character string naming the function to be called. args a list of arguments to the function call. The names attribute of args gives the argument names. quote a logical ...
类似R中的Function,不过这里可以完整将代码存在一个函数里面,下次可以重复调用。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 %macro test;data a2;X=1;run;%mend test;%test; %macro test; 以及 %mend test; 代表着宏程序的开始与结尾,下次调用的话,就直接%test;即可。
do.callconstructs and executes a function call from a name or a function and a list of arguments to be passed to it. Usage do.call(what, args, quote = FALSE, envir = parent.frame()) Arguments Details IfquoteisFALSE, the default, then the arguments are evaluated (in the calling environ...
7.r___the front area in a big office or place.8.p___like something better. 答案 1.他常在周末打扫房间.He often _do___some cleaning at the _weekends___.2.我想他肯定住在办公室.I think he __must___ __be___at the office.3.爱丽丝太小勒还不能上学.Alice is not _old___ __...
4---It's said that drinking coffee ___ cancer. Do I have to give it up?---Relax! In fact, a coffee a day keeps the doctor away.( )A.causesB. is causingC. causedD. had caused 反馈 收藏
little/a little /few/a few 都哪些可以倒装___do we suspect that this district is rich in mineral resources.A Little B A little C Few D A few答案是A其他几个为什么不成? 答案 一般否定词开头的句子需要用到倒装这里的little 是否定词 并不是数量词 因此与a little /few/a few 不是同类相同作用...
问R: expss包: do.call(data.frame，c(x，alis))错误:变量名限制为10000字节EN前面我们讲了R批量...
fall in I ove with为固定搭配,意为“爱上...”。这里是 过去的事情,因此使用一般过去时,故fall过去 式fell符合题意。 3.作为一名记者,“我”认为“我”会见到很多有趣的 人。as意为“作为”,又置于句首首字母要大写, 故As符合题意。 4.作为一名记者,“我”认为“我”会见到很多有趣的 人(pe...
百度试题 题目竭尽全力(做某事) A.in the company ofB.do one's utmostC.come aboutD.come up相关知识点: 试题来源: 解析 B 反馈 收藏
FOCUS ON FUNCTION: CLARIFYING AND ASKING QUESTIONS 6 Listen to two people talking about how people followed the news 30 years ago. Answer the questions. 1 What would families do in the evening? 2 How would they get the news? 3 Why did they do so?