[R] consecutive n values

Thu Jun 4 15:06:28 CEST 2020

Dear R users,

Please help me to detect consecutive n values in R and their interval.

rle.seq1<-rle(reco$extr)
cbind(rle.seq1$values)
index<-any(rle.seq1$values=="DRY"&rle.seq1$lengths>=3)
cumsum(rle.seq1$lengths)[index]

reco is a data frame with 2 columns (year and values (DRY, WET).

I want to have something like this:
1799-1800 - WET - 2
1803-1805 - WET - 3

Thank you very much!

All the best!

Catalin

   year extr
1   1768 <NA>
2   1769 <NA>
3   1770 <NA>
4   1771 <NA>
5   1772 <NA>
6   1773  DRY
7   1774 <NA>
8   1775 <NA>
9   1776 <NA>
10  1777  DRY
11  1778 <NA>
12  1779  DRY
13  1780  DRY
14  1781 <NA>
15  1782  DRY
16  1783 <NA>
17  1784 <NA>
18  1785 <NA>
19  1786 <NA>
20  1787 <NA>
21  1788 <NA>
22  1789 <NA>
23  1790 <NA>
24  1791 <NA>
25  1792 <NA>
26  1793 <NA>
27  1794 <NA>
28  1795  WET
29  1796 <NA>
30  1797 <NA>
31  1798 <NA>
32  1799  WET
33  1800  WET
34  1801 <NA>
35  1802 <NA>
36  1803  WET
37  1804  WET
38  1805  WET
39  1806 <NA>
40  1807 <NA>
41  1808 <NA>
42  1809 <NA>
43  1810  WET
44  1811 <NA>
45  1812 <NA>
46  1813  WET
47  1814  DRY
48  1815 <NA>
49  1816 <NA>
50  1817 <NA>
51  1818 <NA>
52  1819 <NA>
53  1820 <NA>
54  1821 <NA>
55  1822  WET
56  1823  WET
57  1824  WET
58  1825  WET
59  1826 <NA>
60  1827  DRY
61  1828  DRY
62  1829  WET
63  1830  WET
64  1831  WET
65  1832  WET
66  1833 <NA>
67  1834  DRY
68  1835  DRY
69  1836 <NA>
70  1837 <NA>
71  1838 <NA>
72  1839 <NA>
73  1840 <NA>
74  1841 <NA>
75  1842 <NA>
76  1843  WET
77  1844  WET
78  1845 <NA>
79  1846 <NA>
80  1847 <NA>
81  1848  DRY
82  1849  DRY
83  1850 <NA>
84  1851 <NA>
85  1852  WET
86  1853 <NA>
87  1854 <NA>
88  1855 <NA>
89  1856 <NA>
90  1857  WET
91  1858 <NA>
92  1859 <NA>
93  1860 <NA>
94  1861 <NA>
95  1862 <NA>
96  1863 <NA>
97  1864 <NA>
98  1865 <NA>
99  1866  DRY
100 1867  DRY
101 1868 <NA>
102 1869  DRY
103 1870 <NA>
104 1871  WET
105 1872 <NA>
106 1873 <NA>
107 1874  DRY
108 1875  DRY
109 1876 <NA>
110 1877 <NA>
111 1878 <NA>
112 1879 <NA>
113 1880  WET
114 1881  WET
115 1882 <NA>
116 1883 <NA>
117 1884 <NA>
118 1885 <NA>
119 1886  DRY
120 1887  DRY
121 1888  DRY
122 1889 <NA>
123 1890 <NA>
124 1891 <NA>
125 1892 <NA>
126 1893 <NA>
127 1894 <NA>
128 1895 <NA>
129 1896 <NA>
130 1897 <NA>
131 1898 <NA>
132 1899 <NA>
133 1900 <NA>
134 1901 <NA>
135 1902 <NA>
136 1903  WET
137 1904 <NA>
138 1905 <NA>
139 1906  WET
140 1907 <NA>
141 1908 <NA>
142 1909 <NA>
143 1910 <NA>
144 1911  WET
145 1912  WET
146 1913  WET
147 1914  WET
148 1915 <NA>
149 1916 <NA>
150 1917 <NA>
151 1918  DRY
152 1919 <NA>
153 1920 <NA>
154 1921  DRY
155 1922 <NA>
156 1923 <NA>
157 1924 <NA>
158 1925 <NA>
159 1926 <NA>
160 1927 <NA>
161 1928  DRY
162 1929 <NA>
163 1930 <NA>
164 1931 <NA>
165 1932 <NA>
166 1933 <NA>
167 1934 <NA>
168 1935 <NA>
169 1936 <NA>
170 1937 <NA>
171 1938 <NA>
172 1939 <NA>
173 1940 <NA>
174 1941 <NA>
175 1942 <NA>
176 1943 <NA>
177 1944  WET
178 1945 <NA>
179 1946  DRY
180 1947  DRY
181 1948  DRY
182 1949 <NA>
183 1950  WET
184 1951 <NA>
185 1952  DRY
186 1953 <NA>
187 1954 <NA>
188 1955  WET
189 1956 <NA>
190 1957 <NA>
191 1958 <NA>
192 1959  WET
193 1960 <NA>
194 1961 <NA>
195 1962 <NA>
196 1963 <NA>
197 1964  DRY
198 1965 <NA>
199 1966 <NA>
200 1967 <NA>
201 1968  DRY
202 1969  WET
203 1970  WET
204 1971 <NA>
205 1972 <NA>
206 1973 <NA>
207 1974  WET
208 1975  WET
209 1976 <NA>
210 1977 <NA>
211 1978 <NA>
212 1979 <NA>
213 1980 <NA>
214 1981 <NA>
215 1982  WET
216 1983  DRY
217 1984 <NA>
218 1985  DRY
219 1986 <NA>
220 1987 <NA>
221 1988  WET
222 1989  WET
223 1990  WET
224 1991 <NA>
225 1992 <NA>
226 1993 <NA>
227 1994 <NA>
228 1995  DRY
229 1996  DRY
230 1997  WET
231 1998 <NA>
232 1999 <NA>
233 2000  DRY
234 2001 <NA>
235 2002 <NA>
236 2003  DRY
237 2004 <NA>
238 2005 <NA>
239 2006 <NA>
240 2007 <NA>

-- 

-
-
Catalin-Constantin ROIBU
Lecturer PhD, Forestry engineer
Forestry Faculty of Suceava
Str. Universitatii no. 13, Suceava, 720229, Romania
office phone      +4 0230 52 29 78, ext. 531
mobile phone    +4 0745 53 18 01
FAX:                +4 0230 52 16 64
silvic.usv.ro <http://www.usv.ro/>

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