R data package with miscellaneous data sets [Engineering Economics, Environmental/Water Resources Engineering, US Presidential Elections].

`install.packages("iemiscdata")`

This package currently contains 26 datasets:

`nchannel`

: Manning's n for Channels (Chow, 1959)`npartfull`

: Manning's n for Closed Conduits Flowing Partly Full (Chow, 1959)`nmetalpipe`

: Manning's n for Corrugated Metal Pipe (AISI, 1980)`r* (3 data sets)`

: Nominal Interest Rate Tables (Engineering Economics)`i* (19 data sets)`

: Effective Interest Rate Tables (Engineering Economics)`pres_elect1`

: US Presidential Elections (Wikipedia)

```
library(install.load)
load_package("iemisc", "iemiscdata", "data.table", "dplyr", "rpivotTable")
# load needed packages using the load_package function from the install.load
# package (it is assumed that you have already installed these packages)
# Example 1
# Future value given present value
FgivenP(8330, 6, 10, frequency = "annual") # the interest rate is 10%
# or
P <- 8330
n <- 6
P * i10[n, which(names(i10) == "F/P"), with = FALSE][[1]]
# use i10 for the 10 percent effective interest table values
# n is the row number
# which(names(i10) == "F/P"), with = FALSE provides the column number in a
# data.table
# [[1]] provides the value of the vector
# Example 2
# Future value given annual value with continuously compounded interest
FgivenAcont(4500, 5, 20) # 20% interest
# or
F <- 4500
n <- 5
F * r20[n, which(names(r20) == "F/A"), with = FALSE][[1]]
# use r20 for the 20 percent nominal interest table values
# n is the row number
# which(names(r20) == "F/A"), with = FALSE provides the column number in this
# data.table
# [[1]] provides the value of the vector
# Example 3
# View the Manning's n data sets
View(nchannel)
View(nmetalpipe)
View(npartfull)
# Example 4
# View the Wikipedia US Presidental Election Results Table
View(pres_elect1)
# The number of elections won by the Winners of the Presidential Election
# using dplyr's count along with piping
pres_elect1 %>% count(Winner)
# view the interactive pivot table of the whole table
rpivotTable(pres_elect1)
# view the interactive pivot table using the Winner Party column
rpivotTable(pres_elect1, cols = "Winner Party")
```

This software is provided "AS IS." See the GPL License for more information.

iemiscdata is distributed under the GPL-3 (or later) license, as stated in the DESCRIPTION file. For more info, see the GNU General Public License (GPL) page.