View source: R/summarizeData.R
summarizedataDF | R Documentation |
Mapping routine that displays spatial dataDF variability by color differences. over layers with political boundaries, hydrologic polygons, and hydrologic lines.
summarizedataDF(dataDF, colGroup, colValue, colDate)
dataDF |
dataframe with columns defined by colGroup (grouping column, such as site ID), colValue (value column), and optionally colDate (date columns) |
colGroup |
string defines grouping column in dataDF |
colValue |
string defines value column in dataDF |
colDate |
string defines date column in dataDF. If colDate = NA, the calculations for start and end date are ignored. |
dataframe with count, mean, median, min, max, start(date/time), end(date/time), and number of non-detects (nd) defined as number of NA's grouped by colGroup
df <- data.frame(site=c("1","x","2","1","x","2"),
conc=c(2,3,4,5,NA,7),
dates=as.Date(c("2011-01-01","2011-01-01",
"2011-01-01","2011-01-02","2011-01-02","2011-01-02")))
sumDF <- summarizedataDF(df, "site", "conc", "dates")
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