slice

Given a vector of character timestamps, return a logical vector of a length
equal to the number of time steps in the time series with values <code>TRUE</code> for
those time steps that fall between the two extreme values of the vector
values, <code>FALSE</code> otherwise.

Support for all calendars as specified in the Climate and Forecast
(CF) Metadata Conventions for climate and forecasting data. The CF Metadata
Conventions is widely used for distributing files with climate observations
or projections, including the Coupled Model Intercomparison Project (CMIP)
data used by climate change scientists and the Intergovernmental Panel on
Climate Change (IPCC). This package specifically allows the user to work
with any of the CF-compliant calendars (many of which are not compliant with
POSIXt). The CF time coordinate is formally defined in the CF Metadata
Conventions document available at <https://cfconventions.org/Data/cf-conventions/cf-conventions-1.12/cf-conventions.html#time-coordinate>.

Patrick Van Laake

CFtime

Using CF-Compliant Calendars with Climate Projection Data

slice function

<dl><dt>x</dt>
<dd>The <code>CFTime</code> instance to operate on.</dd>
<dt>extremes</dt>
<dd>Character vector of timestamps that represent the time period
of interest. The extreme values are selected. Badly formatted timestamps
are silently dropped.</dd>
<dt>rightmost.closed</dt>
<dd>Is the right side closed, i.e. included in the
result? Default is <code>FALSE</code>. A specification of <code>c("2022-01-01", "2023-01-01)</code> will thus include all time steps that fall in the year 2022
when <code>closed = FALSE</code> but include <code>2023-01-01</code> if that exact value is
present in the time series.</dd></dl>

Arguments

Which time steps fall within extreme values — slice

<dl>

<dt>x</dt>
<dd>The <code>CFTime</code> instance to operate on.</dd>


<dt>extremes</dt>
<dd>Character vector of timestamps that represent the time period
of interest. The extreme values are selected. Badly formatted timestamps
are silently dropped.</dd>


<dt>rightmost.closed</dt>
<dd>Is the right side closed, i.e. included in the
result? Default is <code>FALSE</code>. A specification of <code>c("2022-01-01", "2023-01-01)</code> will thus include all time steps that fall in the year 2022
when <code>closed = FALSE</code> but include <code>2023-01-01</code> if that exact value is
present in the time series.</dd>

</dl>

slice: Which time steps fall within extreme values

Description

Usage

Value

Arguments

Details

Examples