1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General
# Public License along with this library; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
# Copyrights (C)
# for this R-port:
# 1999 - Diethelm Wuertz, GPL
# 2007 - Rmetrics Foundation, GPL
# Diethelm Wuertz <wuertz@phys.ethz.ch>
# www.rmetrics.org
# for the code accessed (or partly included) from other R-ports:
# see R's copyright and license files
# for the code accessed (or partly included) from contributed R-ports
# and other sources
# see Rmetrics's copyright file
################################################################################
# MEHODS: DESCRIPTION:
# start.timeDate Extracts the first entry of a 'timeDate' object
# end.timeDate Extracts the last entry of a 'timeDate' object
# range.timeDate Extracts range of a 'timeDate' object
################################################################################
start.timeDate <-
function(x, ...)
{
# A function implemented by Diethelm Wuertz
# Description:
# Extracts the first object of a 'timeDate' vector
# Arguments:
# x - a 'timeDate' object
# Value:
# Returns from 'x' the earliest entry as an object of class
# 'timeDate'.
# FUNCTION:
# Start:
ans = sort(x)[1]
# Return Value:
ans
}
# ------------------------------------------------------------------------------
end.timeDate <-
function(x, ...)
{
# A function implemented by Diethelm Wuertz
# Description:
# Extracts the last object of a 'timeDate' vector
# Arguments:
# x - a 'timeDate' object
# Value:
# Returns an object of class 'timeDate'.
# FUNCTION:
# Start:
ans = sort(x)[length(x)]
# Return Value:
ans
}
# ------------------------------------------------------------------------------
min.timeDate <- function(..., na.rm = FALSE) start.timeDate(...)
max.timeDate <- function(..., na.rm = FALSE) end.timeDate(...)
range.timeDate <- function(..., na.rm = FALSE) {
c(start(..., na.rm = na.rm), end(..., na.rm = na.rm)) }
################################################################################
|
