Please provide your code as is requested in the posting guidelines. At a guess, you have read in your data into a data.frame called dhb with a variable called dhb.
Try hist(dhb$dhb) and see what happens. To see a bit more of what you've got try str(dhb) to see what the sdtructure of the data is. John Kane Kingston ON Canada > -----Original Message----- > From: bamboohydraul...@gmail.com > Sent: Sun, 25 Mar 2012 22:23:18 -0700 (PDT) > To: r-help@r-project.org > Subject: [R] reading header in txt file and making histogram > > Dear all > > I am a BEGINNER and have R on my Mac. I saved my excel file as .txt file, > I > have just one column with first row as the column name. My file when read > by > R looks like this. After reading the table I try to make a histogram by > hist(dbh), it says object dbh not found. What am I doing wrong? thanks > dbh > 1 11.53 > 2 16.05 > 3 7.36 > 4 16.05 > 5 8.66 > 6 12.74 > 7 22.93 > 8 7.55 > 9 5.10 > 10 21.34 > 11 0.32 > 12 9.71 > 13 0.00 > 14 15.92 > 15 11.85 > 16 14.43 > 17 4.59 > 18 14.43 > 19 7.99 > 20 2.61 > 21 23.69 > 22 6.05 > 23 9.87 > 24 4.90 > 25 3.18 > 26 3.82 > 27 0.00 > 28 12.10 > 29 5.22 > 30 6.37 > 31 6.50 > 32 10.83 > 33 3.63 > 34 2.93 > 35 3.60 > 36 5.89 > 37 3.63 > 38 2.55 > 39 2.96 > 40 3.69 > 41 5.57 > 42 0.00 > 43 7.07 > 44 5.48 > 45 9.55 > 46 3.44 > 47 0.00 > 48 0.00 > 49 3.69 > 50 2.48 > 51 3.38 > 52 2.64 > 53 12.10 > 54 3.34 > 55 0.00 > 56 4.52 > 57 6.59 > 58 9.65 > 59 9.01 > 60 12.93 > 61 0.00 > 62 4.24 > 63 9.75 > 64 4.39 > 65 2.90 > 66 6.85 > 67 9.08 > 68 5.54 > 69 6.02 > 70 7.64 > 71 6.85 > 72 0.00 > 73 3.12 > 74 6.75 > 75 4.24 > 76 2.32 > 77 2.58 > 78 2.55 > 79 8.60 > 80 0.00 > 81 0.32 > 82 2.23 > 83 3.98 > 84 6.05 > 85 7.64 > 86 3.03 > 87 0.00 > 88 9.27 > 89 0.00 > 90 0.00 > 91 3.92 > 92 0.00 > 93 20.54 > 94 8.41 > 95 0.00 > 96 2.10 > 97 0.00 > 98 0.00 > 99 13.79 > 100 5.22 > 101 9.43 > 102 6.31 > 103 4.11 > 104 0.00 > 105 0.00 > 106 6.15 > 107 3.41 > 108 14.01 > 109 15.67 > 110 17.20 > 111 20.00 > 112 11.43 > 113 10.35 > 114 10.29 > 115 13.18 > 116 10.61 > 117 0.00 > 118 0.32 > 119 0.00 > 120 7.01 > 121 1.97 > 122 4.52 > 123 19.14 > 124 3.50 > 125 2.99 > 126 3.18 > 127 1.82 > 128 3.18 > 129 6.02 > 130 4.04 > 131 2.61 > 132 2.48 > 133 2.71 > 134 2.68 > 135 1.82 > 136 2.52 > 137 6.72 > 138 2.61 > 139 2.74 > 140 3.15 > 141 3.25 > 142 3.22 > 143 3.44 > 144 4.01 > 145 4.97 > 146 6.15 > 147 9.62 > 148 2.87 > 149 5.83 > 150 17.90 > 151 3.18 > 152 3.54 > 153 2.99 > 154 4.62 > 155 6.85 > 156 0.00 > 157 5.83 > 158 4.49 > 159 2.74 > 160 6.82 > 161 6.82 > 162 4.94 > 163 5.83 > 164 6.02 > 165 0.96 > > -- > View this message in context: > http://r.789695.n4.nabble.com/reading-header-in-txt-file-and-making-histogram-tp4504813p4504813.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. ____________________________________________________________ FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! ______________________________________________ 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.
