The earliest use of these terms was by Charles Darwin, in a letter to J. D. Hooker in 1857, (Those who make many species are the 'splitters,' and those who make few are the 'lumpers.').t followed from Hexter's detailed review of Hill's book Change and Continuity in Seventeenth Century England, in which Hill developed Max Weber 's argument that the rise of capitalism was facilitated by Calvinist Puritanism. Hexter objected to Hill's 'mining' of sources to find evidence that supported his theories.
If you have numeric data (subject numbers for example). If you want to convert to a character variable and still have. the sort sequentially then you must zero fill the data. charvar = STRIP(PUT(numvar, z2.)); Example:
You can also assign a value to the variable when you declare it: var carName = Volvo; In the example below, we create a variable called carName and assign the value Volvo to it.alue = undefined. In computer programs, variables are often declared without a value. The value can be something that has to be calculated, or something that will be provided later, like user input. A variable declared without a value will have the value undefined.