Description Arguments Details Value Note Author(s) References Examples
Data sets covers the ratio of sand-silt-clay from soils
sand |
a numeric for the ratio of sand |
silt |
a numeric for the ratio of silt |
clay |
a numeric for the ratio of clay |
The data set contains several columns : sand, silt, clay, optimum water content, dry density, liquid limit, plastic limit, shrinkage limit, USCS classification, investigator, published year, soil name.
Returns a matrix that contains above values for each soils included in the data set.
Please read the following references for the original data (adopted from):
[1] Abbasi N, Javadi AA, Bahramloo R. 2012. Prediction of compression behaviour of normally consolidated fine-grained soils, World Applied Sciences Journal, volume 18, no. 1, pages 6-14.
Xingzheng Wu xingzhengwu@gmail.com
Wu XZ. 2013. Implementing reproducible data analysis and statistical computing for the geosciences in R. Computers and Geosciences. submitted.
1 2 3 4 5 6 7 8 | ##---- Should be DIRECTLY executable !! ----
##-- listing data.
texture[["name"]] ##column named "name"
which(texture[["name"]]=='Abbasi-et-al') ##returns a vector of the indices of x
which(texture[["type"]]=='fine-grained') ##returns a vector of the indices of x
texture[which(texture[["type"]]=='fine-grained'),] ##
##listing a matrix where the soil type = 'fine-grained'
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