\name{phredTable}
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\alias{phredTable}
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\title{phredTable: Returns a data.frame with phred encodings.}
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% Description
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\description{
The function calculates characters and corresponding ascii values for a given 
    range of phred values. As default, a data.frame with all valid phred values
    \{0,...,93\} is returned.}
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\usage{phredTable(phred)}
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\arguments{
    \item{phred}{\code{numeric}. Vector with phred values. All values must be
    in 0:93}
}
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\value{\code{data.frame}. The data.frame has three columns: "ascii","phred" 
    and "char"}
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\references{
Ewing B, Green P
Base-calling of automated sequencer traces using phred. II. Error probabilities.
Genome Research 1998 Vol. 8 No. 3 186-194
}
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\author{Wolfgang Kaisers}
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% Examples
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\examples{
phredTable()
}
\keyword{phredTable}
\seealso{char2ascii}