Present value of EUR 1 received some time in the future.
Present value of $1 received at a stated future date.
A scalar value between 0 and 1 which determines the present value of future rewards. If the discount factor is 0, the agent is concerned with maximizing immediate rewards. As the discount factor approaches 1, the agent takes more future rewards into account. Algorithms which discount future rewards include Q-learning and TD(lambda).
a relative measure of the economic value of receiving a cash payment in the future versus receiving it today
The factor that translates expected benefits or costs in any given future year into present value terms. The discount factor is equal to 1/(1 + i)t where i is the interest rate and t is the number of years from the date of initiation for the program or policy until the given future year. [GAO] Discount rate is the interest rate used in calculating the present value of expected yearly benefits and costs. [GAO
A means of calculating the present value of future costs and revenues
Present value of $1 to be received at stated future date.
The present value of one unit of currency received at a stated future date.
The rate used to derive net present value of a sum of money to be paid at a future date. See Present value.