Package: EngrEcon 1.0.0

EngrEcon: Engineering Economics Analysis for Engineering Projects Cost Analysis

Computing economic analysis in civil infrastructure and ecosystem restoration projects is a typical activity. This package contains Standard cost engineering and engineering economics methods that are applied to convert between present, future, and annualized costs. Newnan D. (2020) <ISBN 9780190931919> “Engineering Economic Analysis”.

Authors:Liya Abera [aut, cre], S. Kyle McKay [aut]

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EngrEcon/json (API)

# Install 'EngrEcon' in R:
install.packages('EngrEcon', repos = c('https://liyabera.r-universe.dev', 'https://cloud.r-project.org'))

Peer review:

On CRAN:

This package does not link to any Github/Gitlab/R-forge repository. No issue tracker or development information is available.

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Last updated 6 months agofrom:95c52e626b. Checks:OK: 7. Indexed: yes.

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Exports:annual_to_futureannual_to_presentcashfloweffective_ifuture_to_annualfuture_to_presentgradient_to_annualgradient_to_futuregradient_to_presentinterest_during_constructionom_distributepresent_to_annualpresent_to_future

Dependencies:

Readme and manuals

Help Manual

Help pageTopics
Calculate future value from a uniform annual payment 'annual_to_future' Compute future values from uniform annual payments using uniform series compound amount factor (uscaf)annual_to_future
Calculate present value from a uniform annual payment 'annual_to_present' Compute present value from uniform annual payments using uniform series present worth factor (uswf)annual_to_present
Calculate present value and annual value from a given future payments of cash flows 'cashflow' Compute a given cash flow data's present value and annual value. The first column is the cash flow year;the rest is the cash flow money. The number of rows is the lifespancashflow
Calculate effective annual interest rate for a known nominal rate and compounding period per year 'effective_i' Compute future value nominal rate and compounding period per year, and frequency.effective_i
Compute annual payment value from future value 'future_to_annual' calculate annual value from future value using the accumulated amount after years using sinking fund factor (sff)future_to_annual
Compute present values from future payments (or cash flow) 'future_to_present' calculate present value from future value using present worth factor (pwf)future_to_present
Calculate annual value from uniform gradient payment 'gradient_to_annual' Compute annual value from uniform gradient payments using uniform gra present worth factor (ugaw)gradient_to_annual
Calculate future value from uniform gradient payment 'gradient_to_future' Compute future value from uniform gradient payments using uniform gradient present worth factor (ugfw)gradient_to_future
Calculate present value from uniform gradient payment 'gradient_to_present' Compute present value from uniform gradient payments using uniform gradient present worth factor (ugpw)gradient_to_present
Compute interest during construction 'interest_during_construction' calculate interest during construction using a monthly discount factorinterest_during_construction
Calculate the present value of periodic operations and maintenance costs 'om_distribute' Distribute periodic present value operations and maintenance costs over a project life span, discount over project, and compute present valueom_distribute
Compute annual payment from present value 'present_to_annual' Compute uniform series annual payments from present value using capital recovery factor (crf)present_to_annual
Compute future values from present valuepresent_to_future