There is an option in R to get control over digit display. For example: options(digits=10) is supposed to give the calculation results in 10 digits till the end of R session. In the help file of R,
I\'m using R language and the manuals on the R site are really informative. However, I\'d like to see some more examples and implementations with R which can help me develop my knowledge fas开发者_JS百
I am having some trouble with leading and trailing white space in a data.frame. For example, I look at a specific row in a data.frame based on a certain condition:
If I have a vector开发者_JAVA百科 of type character, how can I concatenate the values into string? Here\'s how I would do it with paste():
I have a vector of numbers: numbers <- c(4,23,4,23,5,43,54,56,657,67,67,435, 453,435,324,34,456,56,567,65,34,435)
Is there an easy way to vi开发者_Go百科ew the source of an R package (or a method in a package), from within the interactive environment?Just enter the name of a function/method without parentheses:
What are the differences between the assignment operators = and <- in R? I know that operators are slightly different, as this example shows
I\'m curious to know if R can use its eval() function to perform calculations provided by e.g. a string.
I want to filter rows from a data.frame based on a logical condition. Let\'s suppose that I have data frame like
I have a data frame with two columns. First column contains categories such as \"First\", \"Second\", \"Third\", and the second column has numbers that represent the nu开发者_如何学JAVAmber of times I