| Line 13... |
Line 13... |
| 13 |
\item{min.n}{nonnegative integer giving the \emph{minimal} number of
|
13 |
\item{min.n}{nonnegative integer giving the \emph{minimal} number of
|
| 14 |
intervals. If \code{min.n == 0}, \code{pretty(.)} may return a
|
14 |
intervals. If \code{min.n == 0}, \code{pretty(.)} may return a
|
| 15 |
single value.}
|
15 |
single value.}
|
| 16 |
\item{shrink.sml}{positive numeric
|
16 |
\item{shrink.sml}{positive numeric
|
| 17 |
by a which a default scale is shrunk in the case when
|
17 |
by a which a default scale is shrunk in the case when
|
| 18 |
\code{range(x)} is ``very small'' (usually 0).}
|
18 |
\code{range(x)} is \dQuote{very small} (usually 0).}
|
| 19 |
\item{high.u.bias}{non-negative numeric, typically \eqn{> 1}.
|
19 |
\item{high.u.bias}{non-negative numeric, typically \eqn{> 1}.
|
| 20 |
The interval unit is determined as \{1,2,5,10\} times \code{b}, a
|
20 |
The interval unit is determined as \{1,2,5,10\} times \code{b}, a
|
| 21 |
power of 10. Larger \code{high.u.bias} values favor larger units.
|
21 |
power of 10. Larger \code{high.u.bias} values favor larger units.
|
| 22 |
}
|
22 |
}
|
| 23 |
\item{u5.bias}{non-negative numeric
|
23 |
\item{u5.bias}{non-negative numeric
|
| 24 |
multiplier favoring factor 5 over 2. Default and ``optimal'':
|
24 |
multiplier favoring factor 5 over 2. Default and \dQuote{optimal}:
|
| 25 |
\code{u5.bias = .5 + 1.5*high.u.bias}.}
|
25 |
\code{u5.bias = .5 + 1.5*high.u.bias}.}
|
| 26 |
\item{eps.correct}{integer code, one of \{0,1,2\}. If non-0, an
|
26 |
\item{eps.correct}{integer code, one of \{0,1,2\}. If non-0, an
|
| 27 |
\emph{``epsilon correction''} is made at the boundaries such that
|
27 |
\dQuote{\emph{epsilon correction}} is made at the boundaries such that
|
| 28 |
the result boundaries will be outside \code{range(x)}; in the
|
28 |
the result boundaries will be outside \code{range(x)}; in the
|
| 29 |
\emph{small} case, the correction is only done if \code{eps.correct >=2}.}
|
29 |
\emph{small} case, the correction is only done if \code{eps.correct >=2}.}
|
| 30 |
}
|
30 |
}
|
| 31 |
\description{
|
31 |
\description{
|
| 32 |
Compute a sequence of about \code{n+1} equally spaced nice values which
|
32 |
Compute a sequence of about \code{n+1} equally spaced nice values which
|
| Line 41... |
Line 41... |
| 41 |
\eqn{10^{\lfloor{\log_{10}(c)}\rfloor}}{10^(floor(log10(c)))} such
|
41 |
\eqn{10^{\lfloor{\log_{10}(c)}\rfloor}}{10^(floor(log10(c)))} such
|
| 42 |
that \eqn{b \le c < 10b}.
|
42 |
that \eqn{b \le c < 10b}.
|
| 43 |
|
43 |
|
| 44 |
Now determine the basic \emph{unit} \eqn{u} as one of
|
44 |
Now determine the basic \emph{unit} \eqn{u} as one of
|
| 45 |
\eqn{\{1,2,5,10\} b}, depending on \eqn{c/b \in [1,10)} and the two
|
45 |
\eqn{\{1,2,5,10\} b}, depending on \eqn{c/b \in [1,10)} and the two
|
| 46 |
\emph{``bias''} coefficients, \eqn{h =}\code{high.u.bias} and
|
46 |
\dQuote{\emph{bias}} coefficients, \eqn{h =}\code{high.u.bias} and
|
| 47 |
\eqn{f =}\code{u5.bias}.
|
47 |
\eqn{f =}\code{u5.bias}.
|
| 48 |
|
48 |
|
| 49 |
\dots\dots\dots
|
49 |
\dots\dots\dots
|
| 50 |
%%-- fixme: give even more details
|
50 |
%%-- fixme: give even more details
|
| 51 |
%%-- fixme: give even more details
|
51 |
%%-- fixme: give even more details
|
The R Project SVN
R