greatLakesM {gamclass}

Monthly Great Lake heights: 1918 - 2019

Description

Heights, in meters, are for the lakes Erie, Michigan/Huron, Ontario and St Clair

Usage

data(greatLakesM)

Format

The format is: 'data.frame': 1212 obs. of 7 variables: $ month : Factor w/ 12 levels "apr","aug","dec",..: 5 4 8 1 9 7 6 2 12 11 ... $ year : int 1918 1918 1918 1918 1918 1918 1918 1918 1918 1918 ... $ Superior : num 183 183 183 183 183 ... $ Michigan.Huron: num 177 177 177 177 177 ... $ St..Clair : num 175 175 175 175 175 ... $ Erie : num 174 174 174 174 174 ... $ Ontario : num 74.7 74.7 74.9 75.1 75.1 ...

Details

For more details, go to the website that is the source of the data.

Source

https://www.lre.usace.army.mil/Missions/Great-Lakes-Information/Great-Lakes-Information-2/Water-Level-Data/

Examples

data(greatLakesM)
mErie <- ts(greatLakesM[,'Erie'], start=1918, frequency=12)
greatLakes <- aggregate(greatLakesM[,-(1:2)], by=list(greatLakesM$year), 
                        FUN=mean)
names(greatLakes)[1] <- 'year'
## maybe str(greatLakesM)