Here's a list of beautiful, obscure, also sometimes completely useless words.
> ## Get the 3rd element of the 1st element > x[[c(1, 3)]] [1] 14 > > ## Same as above > x[[1]][[3]] [1] 14 > > ## 1st element of the 2nd element > x[[c(2, 1)]] [1] 3.14 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. (四)模糊匹配 美元符号...
names(list_data) <- c("1st Quarter", "A_Matrix", "A Inner list") # Access the first element of the list. print(list_data[1]) # Access the thrid element. As it is also a list, all its elements will be printed. print(list_data[3]) # Access the list element using the name ...
A list in R is similar to yourto-do list at work or school: the different items on that list most likelydiffer in length, characteristic, type of activity that has to do be done, ... A list in R allows you to gather(收集) a variety of(各种各样的) objects under one name (thati...
数据框是指有若干行和列的数据集，它与矩阵类似，但并不要求所有列都是相同的类型；本质上讲，数据框...
在R语言中,list是一种常用的数据结构,可以存储不同类型的数据对象。当我们使用list时,有时候需要查看list中各个元素的类型,以便进行后续的数据处理。本文将介绍几种方法来查看list中各个元素的类型,并给出相应的代码示例。 方法一:使用typeof()函数 typeof()函数可以返回R语言中对象的类型。我们可以使用typeof()函...
筛选出使用R语言的个体: 代码语言:javascript 复制 str(list.filter(devs,"r"%in%names(lang))) 代码语言:javascript 复制 Listof3$ p1:Listof4..$ name:chr"Ken"..$ age:num24..$ interest:chr[1:3]"reading""music""movies"..$ lang:Listof3...$ r:num2...$ csharp:num4...$ python:...
and I would like to parse the dataframe and create a list of list that I can interogate. so in fact I would like to print the Groups for each name within this list such as : list$A gives : ['G1','G4'] Does someone have an idea please , r list Share Improve this question...
Milagros, M. P., Ogden, B., ... & Zacharski, R. (2006, August).Guarani: a case study in resource development for quick ramp-up MT. In Proceedings of the 7th Conference of the Association for Machine Translation in the Americas,“Visions for the Future of Machine Translation (pp. 1...
If you are using php-intl to localize your application, you probably want to use ResourceBundle::getLocales() instead of static list that you maintain yourself. It can also give you locales for particular language. <?php print_r(ResourceBundle::getLocales('')); /* Output might show * Arra...