| |
| R version 3.6.2 Patched (2020-02-12 r77795) -- "Dark and Stormy Night" |
| Copyright (C) 2020 The R Foundation for Statistical Computing |
| Platform: x86_64-pc-linux-gnu (64-bit) |
| |
| R is free software and comes with ABSOLUTELY NO WARRANTY. |
| You are welcome to redistribute it under certain conditions. |
| Type 'license()' or 'licence()' for distribution details. |
| |
| R is a collaborative project with many contributors. |
| Type 'contributors()' for more information and |
| 'citation()' on how to cite R or R packages in publications. |
| |
| Type 'demo()' for some demos, 'help()' for on-line help, or |
| 'help.start()' for an HTML browser interface to help. |
| Type 'q()' to quit R. |
| |
| > ## These are tests that require a working Internet connection. |
| > ## We attempt to test for that. |
| > |
| > if(.Platform$OS.type == "unix" && |
| + is.null(nsl("cran.r-project.org"))) q() |
| > |
| > # test do_download (and "record" #{packages}): |
| > ap <- available.packages(contrib.url("http://cran.r-project.org")) |
| > ## IGNORE_RDIFF_BEGIN |
| > nrow(ap) |
| [1] 15377 |
| > ## IGNORE_RDIFF_END |
| > |
| > # test url connections on http |
| > zz <- url("http://cran.r-project.org/") |
| > readLines(zz) |
| [1] "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Frameset//EN\" \"http://www.w3.org/TR/html4/frameset.dtd\">" |
| [2] "<html>" |
| [3] "<head>" |
| [4] "<title>The Comprehensive R Archive Network</title>" |
| [5] "<META HTTP-EQUIV=\"content-type\" CONTENT=\"text/html; charset=utf-8\">" |
| [6] "<link rel=\"icon\" href=\"favicon.ico\" type=\"image/x-icon\">" |
| [7] "<link rel=\"shortcut icon\" href=\"favicon.ico\" type=\"image/x-icon\">" |
| [8] "<link rel=\"stylesheet\" type=\"text/css\" href=\"R.css\">" |
| [9] "</head>" |
| [10] "" |
| [11] "<FRAMESET cols=\"1*, 4*\" style=\"border: none;\">" |
| [12] "<FRAMESET rows=\"120, 1*\">" |
| [13] "<FRAME src=\"logo.html\" name=\"logo\" frameborder=0>" |
| [14] "<FRAME src=\"navbar.html\" name=\"contents\" frameborder=0>" |
| [15] "</FRAMESET>" |
| [16] "<FRAME src=\"banner.shtml\" name=\"banner\" frameborder=0>" |
| [17] "<noframes>" |
| [18] "<h1>The Comprehensive R Archive Network</h1>" |
| [19] "" |
| [20] "Your browser seems not to support frames," |
| [21] "here is the <A href=\"navbar.html\">contents page</A> of CRAN." |
| [22] "</noframes>" |
| [23] "</FRAMESET>" |
| > close(zz) |
| > |
| > # and via read.table, test http and ftp. |
| > |
| > read.table("http://www.stats.ox.ac.uk/pub/datasets/csb/ch11b.dat") |
| V1 V2 V3 V4 V5 |
| 1 1 307 930 36.58 0 |
| 2 2 307 940 36.73 0 |
| 3 3 307 950 36.93 0 |
| 4 4 307 1000 37.15 0 |
| 5 5 307 1010 37.23 0 |
| 6 6 307 1020 37.24 0 |
| 7 7 307 1030 37.24 0 |
| 8 8 307 1040 36.90 0 |
| 9 9 307 1050 36.95 0 |
| 10 10 307 1100 36.89 0 |
| 11 11 307 1110 36.95 0 |
| 12 12 307 1120 37.00 0 |
| 13 13 307 1130 36.90 0 |
| 14 14 307 1140 36.99 0 |
| 15 15 307 1150 36.99 0 |
| 16 16 307 1200 37.01 0 |
| 17 17 307 1210 37.04 0 |
| 18 18 307 1220 37.04 0 |
| 19 19 307 1230 37.14 0 |
| 20 20 307 1240 37.07 0 |
| 21 21 307 1250 36.98 0 |
| 22 22 307 1300 37.01 0 |
| 23 23 307 1310 36.97 0 |
| 24 24 307 1320 36.97 0 |
| 25 25 307 1330 37.12 0 |
| 26 26 307 1340 37.13 0 |
| 27 27 307 1350 37.14 0 |
| 28 28 307 1400 37.15 0 |
| 29 29 307 1410 37.17 0 |
| 30 30 307 1420 37.12 0 |
| 31 31 307 1430 37.12 0 |
| 32 32 307 1440 37.17 0 |
| 33 33 307 1450 37.28 0 |
| 34 34 307 1500 37.28 0 |
| 35 35 307 1510 37.44 0 |
| 36 36 307 1520 37.51 0 |
| 37 37 307 1530 37.64 0 |
| 38 38 307 1540 37.51 0 |
| 39 39 307 1550 37.98 1 |
| 40 40 307 1600 38.02 1 |
| 41 41 307 1610 38.00 1 |
| 42 42 307 1620 38.24 1 |
| 43 43 307 1630 38.10 1 |
| 44 44 307 1640 38.24 1 |
| 45 45 307 1650 38.11 1 |
| 46 46 307 1700 38.02 1 |
| 47 47 307 1710 38.11 1 |
| 48 48 307 1720 38.01 1 |
| 49 49 307 1730 37.91 1 |
| 50 50 307 1740 37.96 1 |
| 51 51 307 1750 38.03 1 |
| 52 52 307 1800 38.17 1 |
| 53 53 307 1810 38.19 1 |
| 54 54 307 1820 38.18 1 |
| 55 55 307 1830 38.15 1 |
| 56 56 307 1840 38.04 1 |
| 57 57 307 1850 37.96 1 |
| 58 58 307 1900 37.84 1 |
| 59 59 307 1910 37.83 1 |
| 60 60 307 1920 37.84 1 |
| 61 61 307 1930 37.74 1 |
| 62 62 307 1940 37.76 1 |
| 63 63 307 1950 37.76 1 |
| 64 64 307 2000 37.64 1 |
| 65 65 307 2010 37.63 1 |
| 66 66 307 2020 38.06 1 |
| 67 67 307 2030 38.19 1 |
| 68 68 307 2040 38.35 1 |
| 69 69 307 2050 38.25 1 |
| 70 70 307 2100 37.86 1 |
| 71 71 307 2110 37.95 1 |
| 72 72 307 2120 37.95 1 |
| 73 73 307 2130 37.76 1 |
| 74 74 307 2140 37.60 1 |
| 75 75 307 2150 37.89 1 |
| 76 76 307 2200 37.86 1 |
| 77 77 307 2210 37.71 1 |
| 78 78 307 2220 37.78 1 |
| 79 79 307 2230 37.82 1 |
| 80 80 307 2240 37.76 1 |
| 81 81 307 2250 37.81 1 |
| 82 82 307 2300 37.84 1 |
| 83 83 307 2310 38.01 1 |
| 84 84 307 2320 38.10 1 |
| 85 85 307 2330 38.15 1 |
| 86 86 307 2340 37.92 1 |
| 87 87 307 2350 37.64 1 |
| 88 88 308 0 37.70 1 |
| 89 89 308 10 37.46 1 |
| 90 90 308 20 37.41 1 |
| 91 91 308 30 37.46 1 |
| 92 92 308 40 37.56 1 |
| 93 93 308 50 37.55 1 |
| 94 94 308 100 37.75 1 |
| 95 95 308 110 37.76 1 |
| 96 96 308 120 37.73 1 |
| 97 97 308 130 37.77 1 |
| 98 98 308 140 38.01 1 |
| 99 99 308 150 38.04 1 |
| 100 100 308 200 38.07 1 |
| > read.table("ftp://ftp.stats.ox.ac.uk/pub/datasets/csb/ch11b.dat") |
| V1 V2 V3 V4 V5 |
| 1 1 307 930 36.58 0 |
| 2 2 307 940 36.73 0 |
| 3 3 307 950 36.93 0 |
| 4 4 307 1000 37.15 0 |
| 5 5 307 1010 37.23 0 |
| 6 6 307 1020 37.24 0 |
| 7 7 307 1030 37.24 0 |
| 8 8 307 1040 36.90 0 |
| 9 9 307 1050 36.95 0 |
| 10 10 307 1100 36.89 0 |
| 11 11 307 1110 36.95 0 |
| 12 12 307 1120 37.00 0 |
| 13 13 307 1130 36.90 0 |
| 14 14 307 1140 36.99 0 |
| 15 15 307 1150 36.99 0 |
| 16 16 307 1200 37.01 0 |
| 17 17 307 1210 37.04 0 |
| 18 18 307 1220 37.04 0 |
| 19 19 307 1230 37.14 0 |
| 20 20 307 1240 37.07 0 |
| 21 21 307 1250 36.98 0 |
| 22 22 307 1300 37.01 0 |
| 23 23 307 1310 36.97 0 |
| 24 24 307 1320 36.97 0 |
| 25 25 307 1330 37.12 0 |
| 26 26 307 1340 37.13 0 |
| 27 27 307 1350 37.14 0 |
| 28 28 307 1400 37.15 0 |
| 29 29 307 1410 37.17 0 |
| 30 30 307 1420 37.12 0 |
| 31 31 307 1430 37.12 0 |
| 32 32 307 1440 37.17 0 |
| 33 33 307 1450 37.28 0 |
| 34 34 307 1500 37.28 0 |
| 35 35 307 1510 37.44 0 |
| 36 36 307 1520 37.51 0 |
| 37 37 307 1530 37.64 0 |
| 38 38 307 1540 37.51 0 |
| 39 39 307 1550 37.98 1 |
| 40 40 307 1600 38.02 1 |
| 41 41 307 1610 38.00 1 |
| 42 42 307 1620 38.24 1 |
| 43 43 307 1630 38.10 1 |
| 44 44 307 1640 38.24 1 |
| 45 45 307 1650 38.11 1 |
| 46 46 307 1700 38.02 1 |
| 47 47 307 1710 38.11 1 |
| 48 48 307 1720 38.01 1 |
| 49 49 307 1730 37.91 1 |
| 50 50 307 1740 37.96 1 |
| 51 51 307 1750 38.03 1 |
| 52 52 307 1800 38.17 1 |
| 53 53 307 1810 38.19 1 |
| 54 54 307 1820 38.18 1 |
| 55 55 307 1830 38.15 1 |
| 56 56 307 1840 38.04 1 |
| 57 57 307 1850 37.96 1 |
| 58 58 307 1900 37.84 1 |
| 59 59 307 1910 37.83 1 |
| 60 60 307 1920 37.84 1 |
| 61 61 307 1930 37.74 1 |
| 62 62 307 1940 37.76 1 |
| 63 63 307 1950 37.76 1 |
| 64 64 307 2000 37.64 1 |
| 65 65 307 2010 37.63 1 |
| 66 66 307 2020 38.06 1 |
| 67 67 307 2030 38.19 1 |
| 68 68 307 2040 38.35 1 |
| 69 69 307 2050 38.25 1 |
| 70 70 307 2100 37.86 1 |
| 71 71 307 2110 37.95 1 |
| 72 72 307 2120 37.95 1 |
| 73 73 307 2130 37.76 1 |
| 74 74 307 2140 37.60 1 |
| 75 75 307 2150 37.89 1 |
| 76 76 307 2200 37.86 1 |
| 77 77 307 2210 37.71 1 |
| 78 78 307 2220 37.78 1 |
| 79 79 307 2230 37.82 1 |
| 80 80 307 2240 37.76 1 |
| 81 81 307 2250 37.81 1 |
| 82 82 307 2300 37.84 1 |
| 83 83 307 2310 38.01 1 |
| 84 84 307 2320 38.10 1 |
| 85 85 307 2330 38.15 1 |
| 86 86 307 2340 37.92 1 |
| 87 87 307 2350 37.64 1 |
| 88 88 308 0 37.70 1 |
| 89 89 308 10 37.46 1 |
| 90 90 308 20 37.41 1 |
| 91 91 308 30 37.46 1 |
| 92 92 308 40 37.56 1 |
| 93 93 308 50 37.55 1 |
| 94 94 308 100 37.75 1 |
| 95 95 308 110 37.76 1 |
| 96 96 308 120 37.73 1 |
| 97 97 308 130 37.77 1 |
| 98 98 308 140 38.01 1 |
| 99 99 308 150 38.04 1 |
| 100 100 308 200 38.07 1 |
| > |
