Module:Math: Difference between revisions

add average
en>Dragons flight
(Adds comments, slight reordering of functions.)
en>Dragons flight
(add average)
Line 187:
return min_value
end
 
--[[
average
Finds the average
Usage:
{{#invoke:Math| average | value1 | value2 | ... }}
OR
{{#invoke:Math| average }}
When used with no arguments, it takes its input from the parent
frame. Note, any values that do not evaluate to numbers are ignored.
]]
function z.average( frame )
local args = frame.args;
if args[1] == nil then
local parent = frame:getParent();
args = parent.args;
end
local sum = 0;
local count = 0;
local i = 1;
while args[i] ~= nil do
local val = z._cleanNumber( frame, args[i] );
if val ~= nil then
sum = sum + val
count = count + 1
end
i = i + 1;
end
return (count == 0 and 0 or sum/count)
end
 
Anonymous user