To convert a date to numeric in R, you can use the “as.numeric()” function or “lubridate” package. Method 1: Using as.numeric() function Before using the “as.numeric()” function, you must create a date object using the “as.POSIXct()” function and then convert the date to numeric. Syntax as.numeric(date) Parameters date: It is a date object that needs … Read more
The seq_along() function in R is “used to create a vector that contains a sequence of numbers from 1 to the length of the object”. Syntax seq_along(len) Parameters The seq_along() method takes a length from the length of this argument. The seq_along(n) is equivalent to 1:length(n). Return value The seq_along() function returns an integer vector … Read more
The zip() function in R is used to “create a new zip archive file”. The unzip() function in R is used to “extract files from or list a zip archive”. The tar() function in R is used to “create a tar archive”. The untar() function in R is used to “unpack all the files in the … Read more
To export data frame to csv in R, you can use the “write.csv()” function. The write.csv() function “writes data into a CSV file”. It takes a data frame as data, a filepath as a file, and exports it to that file. Syntax write.csv(x, file, traitsAsDir = FALSE, csv2 = TRUE, row.names = FALSE, fileEncoding = … Read more
To convert a string to a float in R, you can use the as.double() function. For example, as.double(“3.14”) will return 3.14. The as.double() function can also convert an integer to a double-precision vector. Syntax double(length = 0) as.double(x, …) is.double(x) Parameters length: It is a non-negative integer specifying the desired length. Double values will be … Read more
The strtoi() in R is “used to convert strings to integers depends on the provided base”. Syntax strtoi(x, base=0L) Parameters x: It is a character vector. base: It is an integer between 2 and 36 inclusive; the default is 0. For the default base = 0L, the base is chosen from the string representing that … Read more
There are five ways to “round numbers in R”. round(x, digits): It rounds values to a specified number of decimal places. signif(x, digits): It rounds values to several significant digits. ceiling(x): It rounds values up to the nearest integer. floor(x): It rounds values down to the nearest integer. trunc(x): It truncates (cuts off) decimal places … Read more
The toupper() function is “used to convert a string from lowercase to uppercase”. Syntax toupper(str) Parameters str: It is a string to be converted to uppercase. Return value It returns the uppercase version of the string. Example 1 data <- “wandavision” converted <- toupper(data) converted Output [1] “WANDAVISION” And we get the string with all … Read more
The unique() function in R is “used to eliminate or delete the duplicate values or the rows present in the vector, data frame, or matrix”. Syntax unique(data) Parameters data: It is a vector, data frame, array, or NULL. Return Value If the input data is a Vector, it returns an object of the same type of data input … Read more
The seq() function in R is “used to generate a regular sequence of numbers”. Syntax seq(from, to, by, length.out=NULL, along.with=NULL) Parameters from: It represents where the sequence should begin. to: It represents where the sequence should end. by: It represents the step size or interval of the sequence. length.out: The desired length of the sequence. along.with: … Read more