Calculus for journalism

#NICAR14
@dataeditor


Journalists
can't
do
math


@!$%
THAT
.




This is not a talk about calculus

(sort of)




math = creative




Calculus = change




Compounding interest

Simple equations for yearly compounding interest






Interest can compound

at different rates




yearly




monthly




daily




continuously

Calculus can help






have I scared you yet?

elk river spill




Both the company and government agencies gave estimates





i'm not inclined to take

estimates at faCE VALUE




HOW FAST WAS THE CHEMICAL

LEAKING FROM THE TANK?

SPOUTING CYLINDER





TAke it a step further




How much spilled out?

Riemann sums


Journalists
can
do
math


Journalists
should
do
math


Calculus for journalism

#NICAR14
@dataeditor