PRA (version 0.3.0)

spi: Schedule Performance Index (SPI).

Description

Schedule Performance Index (SPI).

Usage

spi(ev, pv)

Value

The function returns the Schedule Performance Index (SPI) of work completed.

Arguments

ev

Earned Value.

pv

Planned Value.

Examples

# Set the BAC, schedule, and current time period for an example project.
bac <- 100000
schedule <- c(0.1, 0.2, 0.4, 0.7, 1.0)
time_period <- 3

# Calculate the PV.
pv <- pv(bac, schedule, time_period)

# Set the actual % complete and calculate the EV.
actual_per_complete <- 0.35
ev <- ev(bac, actual_per_complete)

# Calculate the SPI and print the results.
spi <- spi(ev, pv)
cat("Schedule Performance Index (SPI):", spi, "\n")