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R List

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R Lists In R, lists are the second type of vector. Lists are the objects of R which contain elements of different types such as number, vectors, string and another list inside it. It can also contain a function or a matrix as its elements. A list is a data structure which has components of mixed data types. We can say, a list is a generic vector which contains other objects. Example vec  < -  c(3,4,5,6)   char_vec < -c ("shubham","nishka","gunjan","sumit")   logic_vec < -c (TRUE,FALSE,FALSE,TRUE)   out_list < -list (vec,char_vec,logic_vec)   out_list   ADVERTISEMENT ADVERTISEMENT Output: [[1]] [1] 3 4 5 6 [[2]] [1] "shubham" "nishka" "gunjan" "sumit" [[3]] [1] TRUE FALSE FALSE TRUE Lists creation The process of creating a list is the same as a vector. In R, the vector is created with the help of c() function. Like c() function, there is another function, i.e., list() which is used to create ...
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R list

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R List – Learn what all you can do with Lists in R!   We offer you a brighter future with FREE online courses  Now in this R programming DataFlair tutorial series, we will see one of the major R data types that is R list in detail. First of all, we will learn about R list, then we will discuss how to create, access and modify lists in R with the help of examples. What is R List ? R list is the object which contains elements of different types – like  strings, numbers, vectors and another list  inside it. R list can also contain a matrix or a function as its elements. The list is created using the  list()  function in R. In other words, a list is a generic vector containing other objects. For example : The variable x is containing copies of three vectors n, s, b and a numeric value 3. #Author DataFlair vec <- c(1,2,3) char_vec <- c("Hadoop", "Spark", "Flink", "Mahout") logic_vec <- c(TRUE, FALSE, TRUE, FALSE) out_list <- l...
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spreadsheet in excel

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What is a Spreadsheet A spreadsheet is a file that exists of cells in rows and columns and can help arrange, calculate and sort data. Data in a spreadsheet can be numeric values, as well as text,  formulas ,  references  and  functions . Rows, columns and cells in a spreadsheet The rows in a spreadsheet have numeric names (1, 2, 3 etc) and the columns have alphabetic names (a, b, c etc), thus the names of cells subsequently exist of a letter and a number that conveniently point out their position in the grid Selection of a row In the image above row 3 is selected. This can be done by clicking on the number 3 in front of the row. Selection of a column In the image above column B is selected. This can be done by clicking on the letter B above the column. Selection of a cell In the image above cell B3 is selected. This can be done by clicking on the cell. Worksheets A spreadsheet can contain one or several worksheets (tabs). Adding worksheets can be done by clicking the...
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