pie_datacheck {tastypie}

Check if the data is good for making tasty pies

Description

pie_datacheck checks if the provided data are suitable for creating pie charts using the useful functions in the tastypie package.

Usage

pie_datacheck(data, check = FALSE)

Arguments

data

The data that you want to use for creating pie charts.

check

Logical, set equal to TRUE if you need a message to know if there are no problems.

Value

If the provided data are a dataframe with only two variables (columns) with the vector of labels in the first one and the vector of values in the second one, nothing will happen. Otherwise, an error that tells you what's wrong occurs.

Examples

wrong <- c(1, 2, 3)
# Would return an Error

wrong2 <- data.frame("a" = c(1, 2, 3), "b" = c("ex", "am", "ple"))
# Would return an Error

right <- data.frame("a" = c("ex", "am", "ple"), "b" = c(1, 2, 3))
pie_datacheck(right) # No Error ==> OK!
pie_datacheck(right, check = TRUE) # Positive message