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name \emph{data}<n> is used. Names will be appended with numbers to prevent
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17 |
name \emph{data}<n> is used. Names will be appended with numbers to prevent
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duplicates. E.g. if name arg is \emph{iris}, and it already exists, then the
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duplicates. E.g. if name arg is \emph{iris}, and it already exists, then the
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new SDF will have a name \emph{iris1}. If it still exists, then the name
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new SDF will have a name \emph{iris1}. If it still exists, then the name
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will be \emph{iris2}, and so on.
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will be \emph{iris2}, and so on.
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}
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21 |
}
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| - |
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}
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\references{ ~put references to the literature/web site here ~ }
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23 |
\references{ ~put references to the literature/web site here ~ }
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\author{Miguel A. R. Manese}
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24 |
\author{Miguel A. R. Manese}
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\note{
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25 |
\note{
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A SDF is created by creating a sqlite database, with the specified name
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26 |
A SDF is created by creating a sqlite database, with the specified name
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as the filename with a db extension (e.g. data1.db). Each SDF is contained in
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27 |
as the filename with a db extension (e.g. data1.db). Each SDF is contained in
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a separate database. The name of the stored in the SDF.
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28 |
a separate database. The name of the stored in the SDF.
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}
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}
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\seealso{ ~~objects to See Also as \code{\link{help}}, ~~~ }
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30 |
\seealso{ ~~objects to See Also as \code{\link{help}}, ~~~ }
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\examples{
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31 |
\examples{
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| - |
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32 |
library(datasets)
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| 31 |
iris.sdf <- sqlite.data.frame(iris)
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33 |
iris.sdf <- sqlite.data.frame(iris)
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names(iris.sdf)
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34 |
names(iris.sdf)
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| 33 |
class(iris.sdf)
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35 |
class(iris.sdf)
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| 34 |
iris.sdf\$Petal.Length[1:10]
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36 |
iris.sdf$Petal.Length[1:10]
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| 35 |
iris.sdf[["Petal.Length"]][1:10]
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37 |
iris.sdf[["Petal.Length"]][1:10]
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| 36 |
iris.sdf[1,c(T,F)]
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38 |
iris.sdf[1,c(TRUE,FALSE)]
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| 37 |
#apply(iris.sdf[1:4], 2, mean)
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39 |
#apply(iris.sdf[1:4], 2, mean)
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| 38 |
}
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40 |
}
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