Description Usage Arguments Details Value Author(s) References Examples
Turn the names and values of all pending variables into two columns. These variables are inversely selected inside function (cols
) and waiting to be melted. After melting, the data format changes from wide to long.
1 |
data |
A data frame to melt, from the column |
cols |
Inversely selected columns inside function, except which are columns waiting to be melted. |
This function (dataprep::melt
) will be used when reshape2
is not installed.
A long-format data frame from its original wide format.
Chun-Sheng Liang <liangchunsheng@lzu.edu.cn>
1. Example data is from https://smear.avaa.csc.fi/download. It includes particle number concentrations in SMEAR I Varrio forest.
2. Wickham, H. 2007. Reshaping data with the reshape package. Journal of Statistical Software, 21(12):1-20.
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