expandDataFrame: Expands a data frame by merging with a MxN permutation...
In alesaccoia/alexr: Common routines and datasets for GIS and Big Data Research

Description Usage Arguments Value Examples

Expands a data frame by merging with a MxN permutation data.frame filled with 0 or other

1	expandDataFrame(df, namex, x, namey, y, namez, z.val = 0)

`df`	input data frame
`namex`	variable name for rows
`x`	vector of values of rows
`namey`	variable name for columns
`y`	vector of values of columns
`namez`	name of the merged field, usually a count
`z.val`	value to fill the merged column with

a filled data frame

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heatmap_pivot <- expandDataFrame(visit_pivot, 'hour', c(0:23), 'wday', c(1:7), 'count')
heatmap_visits <- reshape(heatmap_pivot,  idvar="hour",timevar="wday",direction="wide")
heatmap_visits$hour <- NULL