i also having the problem with R .
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[Previously saved workspace restored] > z<-rnorm(289) > z [1] 2.330811003 1.504743043 1.768175890 0.629578885 -1.102466476 1.022360003 -0.683596222 0.825797728 1.970304092 [10] -0.434295690 -0.332111909 0.784754124 0.618029090 -0.323679397 0.477139243 0.567437753 -0.082967056 -0.631445108 [19] -0.599448056 -0.023043350 0.254275136 0.729704319 -0.557885077 0.136863688 0.336083722 -0.574337438 0.489163710 [28] -1.178968998 -0.500117153 0.194962840 1.077193868 -0.224323646 0.830018849 -0.923133317 0.984637207 -0.967962617 [37] -0.330364545 0.411477240 1.921856365 -0.402244385 0.287249079 -0.254981296 1.373816270 0.051474667 0.467294146 [46] -0.084979045 1.010413164 -1.685650845 -0.225540927 -0.068473164 0.076474205 -0.599026450 0.749528909 -0.005966977 [55] -0.751531710 -0.566290715 -0.653128084 1.252402084 -0.475794837 0.361830550 0.534634320 0.128657947 -0.998795343 [64] 0.439908085 -0.616926920 0.616190407 -0.503356528 -1.571513634 -0.862492045 -0.858421322 0.379999011 0.026994800 [73] -0.072956095 0.750615120 -0.111619011 0.073884163 -0.962739147 0.038873386 -0.343490682 0.752229210 0.965300992 [82] -1.604473652 1.516414656 -0.938925299 -0.709151677 0.231854623 -0.218100137 1.543797726 -0.898485417 -0.383154763 [91] 1.676661233 -0.050011605 -0.885938130 -0.759522611 0.825827497 0.307787209 -1.582181323 1.548739934 0.874375153 [100] -1.929437918 -1.257364398 -1.789263683 -2.143550087 -0.299557119 -0.034432098 0.523581523 1.282782038 -0.627147412 [109] 1.379406957 -1.943450866 -0.109843039 -0.186738958 1.940752202 -0.399888402 0.889084467 0.347721291 0.221675595 [118] 1.014829243 0.815928201 -1.289821785 1.086385072 -0.299486086 -0.126573107 0.527587325 -1.988292033 -0.661784968 [127] -0.739984305 0.043729158 0.780508168 -0.329149317 -0.239561967 0.479590885 0.483343301 -1.330296792 -1.347459911 [136] -0.588658836 -0.954908406 -0.215942979 -0.079013859 -0.386107147 1.030946757 1.352902085 1.621552841 0.951461132 [145] 0.107764563 -0.143231089 0.837469606 -0.687510567 1.376661975 0.837165093 0.063985577 1.381120151 -0.628153036 [154] -1.144266557 1.005945165 1.085202192 0.273625164 0.022451305 -0.372955252 0.283434935 -1.174292734 1.513095774 [163] -1.406613019 -0.954491994 0.275374664 -0.404428637 -0.791690077 -0.325169327 0.859515784 -1.605660446 -0.126481055 [172] -1.163844796 0.234669024 0.694055806 -0.503758028 0.747620192 -0.490237653 -0.673188493 0.597849322 0.508355060 [181] 0.220080232 1.254662349 -1.390019760 1.036511650 0.004499064 -0.171119971 0.341759420 0.883209195 0.196981832 [190] 1.966663083 -0.472635901 -0.143698739 0.134008071 0.123061173 -0.847030934 0.478631946 -0.640264555 1.198188793 [199] 0.928747360 -1.223396075 0.042572331 -1.193181087 -0.284040641 -0.511904510 -0.591542425 0.763156940 0.649463947 [208] -0.762889670 -0.628481227 0.367263423 -0.286380274 0.354460516 -0.138982551 -1.184283483 0.489375881 1.005739798 [217] 0.267274437 -0.118960041 -1.207006456 0.461973434 0.325420233 0.996123459 1.188010215 -2.000847324 1.043974965 [226] 0.356219212 0.620522833 3.800773985 -2.080091995 0.322824104 -1.793810727 0.492505555 -0.092310467 2.893818046 [235] -0.846021981 0.402650410 -0.426312400 1.162983880 2.076818805 -0.260109032 0.725039578 0.361726563 -0.116508468 [244] 0.820778041 1.664995327 0.361725669 0.577447944 -1.008407703 0.390553465 0.263064760 0.915409450 0.294579966 [253] 1.478028593 1.865177412 -1.050708541 -2.071520363 0.450842362 0.530261688 0.226103509 -0.875767768 0.255960500 [262] -0.675455904 -1.436531605 -0.715532812 0.498582850 0.463511831 0.568583368 0.337032963 -0.314896666 -0.738982923 [271] 1.740242504 1.089138147 -0.128574330 1.834612295 -0.657243928 0.701904808 1.550270461 -0.234375326 -0.420885683 [280] 1.845942481 -0.895760996 -0.593765244 0.586912606 -1.062899762 0.277845308 -0.834841694 -0.614720628 -0.343506642 [289] 0.442537573 > x <- data.frame(z) > x z 1 2.330811003 2 1.504743043 3 1.768175890 4 0.629578885 5 -1.102466476 6 1.022360003 7 -0.683596222 8 0.825797728 9 1.970304092 10 -0.434295690 11 -0.332111909 12 0.784754124 13 0.618029090 14 -0.323679397 15 0.477139243 16 0.567437753 17 -0.082967056 18 -0.631445108 19 -0.599448056 20 -0.023043350 21 0.254275136 22 0.729704319 23 -0.557885077 24 0.136863688 25 0.336083722 26 -0.574337438 27 0.489163710 28 -1.178968998 29 -0.500117153 30 0.194962840 31 1.077193868 32 -0.224323646 33 0.830018849 34 -0.923133317 35 0.984637207 36 -0.967962617 37 -0.330364545 38 0.411477240 39 1.921856365 40 -0.402244385 41 0.287249079 42 -0.254981296 43 1.373816270 44 0.051474667 45 0.467294146 46 -0.084979045 47 1.010413164 48 -1.685650845 49 -0.225540927 50 -0.068473164 51 0.076474205 52 -0.599026450 53 0.749528909 54 -0.005966977 55 -0.751531710 56 -0.566290715 57 -0.653128084 58 1.252402084 59 -0.475794837 60 0.361830550 61 0.534634320 62 0.128657947 63 -0.998795343 64 0.439908085 65 -0.616926920 66 0.616190407 67 -0.503356528 68 -1.571513634 69 -0.862492045 70 -0.858421322 71 0.379999011 72 0.026994800 73 -0.072956095 74 0.750615120 75 -0.111619011 76 0.073884163 77 -0.962739147 78 0.038873386 79 -0.343490682 80 0.752229210 81 0.965300992 82 -1.604473652 83 1.516414656 84 -0.938925299 85 -0.709151677 86 0.231854623 87 -0.218100137 88 1.543797726 89 -0.898485417 90 -0.383154763 91 1.676661233 92 -0.050011605 93 -0.885938130 94 -0.759522611 95 0.825827497 96 0.307787209 97 -1.582181323 98 1.548739934 99 0.874375153 100 -1.929437918 101 -1.257364398 102 -1.789263683 103 -2.143550087 104 -0.299557119 105 -0.034432098 106 0.523581523 107 1.282782038 108 -0.627147412 109 1.379406957 110 -1.943450866 111 -0.109843039 112 -0.186738958 113 1.940752202 114 -0.399888402 115 0.889084467 116 0.347721291 117 0.221675595 118 1.014829243 119 0.815928201 120 -1.289821785 121 1.086385072 122 -0.299486086 123 -0.126573107 124 0.527587325 125 -1.988292033 126 -0.661784968 127 -0.739984305 128 0.043729158 129 0.780508168 130 -0.329149317 131 -0.239561967 132 0.479590885 133 0.483343301 134 -1.330296792 135 -1.347459911 136 -0.588658836 137 -0.954908406 138 -0.215942979 139 -0.079013859 140 -0.386107147 141 1.030946757 142 1.352902085 143 1.621552841 144 0.951461132 145 0.107764563 146 -0.143231089 147 0.837469606 148 -0.687510567 149 1.376661975 150 0.837165093 151 0.063985577 152 1.381120151 153 -0.628153036 154 -1.144266557 155 1.005945165 156 1.085202192 157 0.273625164 158 0.022451305 159 -0.372955252 160 0.283434935 161 -1.174292734 162 1.513095774 163 -1.406613019 164 -0.954491994 165 0.275374664 166 -0.404428637 167 -0.791690077 168 -0.325169327 169 0.859515784 170 -1.605660446 171 -0.126481055 172 -1.163844796 173 0.234669024 174 0.694055806 175 -0.503758028 176 0.747620192 177 -0.490237653 178 -0.673188493 179 0.597849322 180 0.508355060 181 0.220080232 182 1.254662349 183 -1.390019760 184 1.036511650 185 0.004499064 186 -0.171119971 187 0.341759420 188 0.883209195 189 0.196981832 190 1.966663083 191 -0.472635901 192 -0.143698739 193 0.134008071 194 0.123061173 195 -0.847030934 196 0.478631946 197 -0.640264555 198 1.198188793 199 0.928747360 200 -1.223396075 201 0.042572331 202 -1.193181087 203 -0.284040641 204 -0.511904510 205 -0.591542425 206 0.763156940 207 0.649463947 208 -0.762889670 209 -0.628481227 210 0.367263423 211 -0.286380274 212 0.354460516 213 -0.138982551 214 -1.184283483 215 0.489375881 216 1.005739798 217 0.267274437 218 -0.118960041 219 -1.207006456 220 0.461973434 221 0.325420233 222 0.996123459 223 1.188010215 224 -2.000847324 225 1.043974965 226 0.356219212 227 0.620522833 228 3.800773985 229 -2.080091995 230 0.322824104 231 -1.793810727 232 0.492505555 233 -0.092310467 234 2.893818046 235 -0.846021981 236 0.402650410 237 -0.426312400 238 1.162983880 239 2.076818805 240 -0.260109032 241 0.725039578 242 0.361726563 243 -0.116508468 244 0.820778041 245 1.664995327 246 0.361725669 247 0.577447944 248 -1.008407703 249 0.390553465 250 0.263064760 251 0.915409450 252 0.294579966 253 1.478028593 254 1.865177412 255 -1.050708541 256 -2.071520363 257 0.450842362 258 0.530261688 259 0.226103509 260 -0.875767768 261 0.255960500 262 -0.675455904 263 -1.436531605 264 -0.715532812 265 0.498582850 266 0.463511831 267 0.568583368 268 0.337032963 269 -0.314896666 270 -0.738982923 271 1.740242504 272 1.089138147 273 -0.128574330 274 1.834612295 275 -0.657243928 276 0.701904808 277 1.550270461 278 -0.234375326 279 -0.420885683 280 1.845942481 281 -0.895760996 282 -0.593765244 283 0.586912606 284 -1.062899762 285 0.277845308 286 -0.834841694 287 -0.614720628 288 -0.343506642 289 0.442537573 > adf<-adf.test(x,k=1) Error: could not find function "adf.test" > y <- c(x) > y $z [1] 2.330811003 1.504743043 1.768175890 0.629578885 -1.102466476 1.022360003 -0.683596222 0.825797728 1.970304092 [10] -0.434295690 -0.332111909 0.784754124 0.618029090 -0.323679397 0.477139243 0.567437753 -0.082967056 -0.631445108 [19] -0.599448056 -0.023043350 0.254275136 0.729704319 -0.557885077 0.136863688 0.336083722 -0.574337438 0.489163710 [28] -1.178968998 -0.500117153 0.194962840 1.077193868 -0.224323646 0.830018849 -0.923133317 0.984637207 -0.967962617 [37] -0.330364545 0.411477240 1.921856365 -0.402244385 0.287249079 -0.254981296 1.373816270 0.051474667 0.467294146 [46] -0.084979045 1.010413164 -1.685650845 -0.225540927 -0.068473164 0.076474205 -0.599026450 0.749528909 -0.005966977 [55] -0.751531710 -0.566290715 -0.653128084 1.252402084 -0.475794837 0.361830550 0.534634320 0.128657947 -0.998795343 [64] 0.439908085 -0.616926920 0.616190407 -0.503356528 -1.571513634 -0.862492045 -0.858421322 0.379999011 0.026994800 [73] -0.072956095 0.750615120 -0.111619011 0.073884163 -0.962739147 0.038873386 -0.343490682 0.752229210 0.965300992 [82] -1.604473652 1.516414656 -0.938925299 -0.709151677 0.231854623 -0.218100137 1.543797726 -0.898485417 -0.383154763 [91] 1.676661233 -0.050011605 -0.885938130 -0.759522611 0.825827497 0.307787209 -1.582181323 1.548739934 0.874375153 [100] -1.929437918 -1.257364398 -1.789263683 -2.143550087 -0.299557119 -0.034432098 0.523581523 1.282782038 -0.627147412 [109] 1.379406957 -1.943450866 -0.109843039 -0.186738958 1.940752202 -0.399888402 0.889084467 0.347721291 0.221675595 [118] 1.014829243 0.815928201 -1.289821785 1.086385072 -0.299486086 -0.126573107 0.527587325 -1.988292033 -0.661784968 [127] -0.739984305 0.043729158 0.780508168 -0.329149317 -0.239561967 0.479590885 0.483343301 -1.330296792 -1.347459911 [136] -0.588658836 -0.954908406 -0.215942979 -0.079013859 -0.386107147 1.030946757 1.352902085 1.621552841 0.951461132 [145] 0.107764563 -0.143231089 0.837469606 -0.687510567 1.376661975 0.837165093 0.063985577 1.381120151 -0.628153036 [154] -1.144266557 1.005945165 1.085202192 0.273625164 0.022451305 -0.372955252 0.283434935 -1.174292734 1.513095774 [163] -1.406613019 -0.954491994 0.275374664 -0.404428637 -0.791690077 -0.325169327 0.859515784 -1.605660446 -0.126481055 [172] -1.163844796 0.234669024 0.694055806 -0.503758028 0.747620192 -0.490237653 -0.673188493 0.597849322 0.508355060 [181] 0.220080232 1.254662349 -1.390019760 1.036511650 0.004499064 -0.171119971 0.341759420 0.883209195 0.196981832 [190] 1.966663083 -0.472635901 -0.143698739 0.134008071 0.123061173 -0.847030934 0.478631946 -0.640264555 1.198188793 [199] 0.928747360 -1.223396075 0.042572331 -1.193181087 -0.284040641 -0.511904510 -0.591542425 0.763156940 0.649463947 [208] -0.762889670 -0.628481227 0.367263423 -0.286380274 0.354460516 -0.138982551 -1.184283483 0.489375881 1.005739798 [217] 0.267274437 -0.118960041 -1.207006456 0.461973434 0.325420233 0.996123459 1.188010215 -2.000847324 1.043974965 [226] 0.356219212 0.620522833 3.800773985 -2.080091995 0.322824104 -1.793810727 0.492505555 -0.092310467 2.893818046 [235] -0.846021981 0.402650410 -0.426312400 1.162983880 2.076818805 -0.260109032 0.725039578 0.361726563 -0.116508468 [244] 0.820778041 1.664995327 0.361725669 0.577447944 -1.008407703 0.390553465 0.263064760 0.915409450 0.294579966 [253] 1.478028593 1.865177412 -1.050708541 -2.071520363 0.450842362 0.530261688 0.226103509 -0.875767768 0.255960500 [262] -0.675455904 -1.436531605 -0.715532812 0.498582850 0.463511831 0.568583368 0.337032963 -0.314896666 -0.738982923 [271] 1.740242504 1.089138147 -0.128574330 1.834612295 -0.657243928 0.701904808 1.550270461 -0.234375326 -0.420885683 [280] 1.845942481 -0.895760996 -0.593765244 0.586912606 -1.062899762 0.277845308 -0.834841694 -0.614720628 -0.343506642 [289] 0.442537573 > is.numeric(y) [1] FALSE > adf<-adf.test(y,k=1) Error: could not find function "adf.test" > k <- 1 > y <- x[,1] > adf<-adf.test(y,k=1) Error: could not find function "adf.test" > local({pkg <- select.list(sort(.packages(all.available = TRUE))) + if(nchar(pkg)) library(pkg, character.only=TRUE)}) Loading required package: timeDate Warning messages: 1: package 'timeSeries' was built under R version 2.10.1 2: package 'timeDate' was built under R version 2.10.1 > utils:::menuInstallPkgs() --- Please select a CRAN mirror for use in this session --- Error in install.packages(NULL, .libPaths()[1L], dependencies = NA, type = type) : no packages were specified > local({pkg <- select.list(sort(.packages(all.available = TRUE))) + if(nchar(pkg)) library(pkg, character.only=TRUE)}) > utils:::menuInstallPkgs() Error in install.packages(NULL, .libPaths()[1L], dependencies = NA, type = type) : no packages were specified > what i have to do -- View this message in context: http://n4.nabble.com/Dickey-Fuller-test-of-a-time-series-problem-tp886976p1474835.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.