math101_lab_01.ipynb

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       "4.3"
      ],
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       "4.3"
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       "4.3"
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       "[1] 4.3"
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   "source": [
    "### Basic Inputs\n",
    "## Entering numbers\n",
    "4.3"
   ]
  },
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   "id": "718f0daa-f1a8-4065-84aa-62868714c1f2",
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     "data": {
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       "<style>\n",
       ".list-inline {list-style: none; margin:0; padding: 0}\n",
       ".list-inline>li {display: inline-block}\n",
       ".list-inline>li:not(:last-child)::after {content: \"\\00b7\"; padding: 0 .5ex}\n",
       "</style>\n",
       "<ol class=list-inline><li>1</li><li>0</li><li>-1</li><li>2.5</li></ol>\n"
      ],
      "text/latex": [
       "\\begin{enumerate*}\n",
       "\\item 1\n",
       "\\item 0\n",
       "\\item -1\n",
       "\\item 2.5\n",
       "\\end{enumerate*}\n"
      ],
      "text/markdown": [
       "1. 1\n",
       "2. 0\n",
       "3. -1\n",
       "4. 2.5\n",
       "\n",
       "\n"
      ],
      "text/plain": [
       "[1]  1.0  0.0 -1.0  2.5"
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   "source": [
    "### Entering a collection of numbers\n",
    "c(1, 0, -1, 2.5)"
   ]
  },
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   "id": "7728b3e9-5162-49e6-aeb8-2e682985d66e",
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   "source": [
    "## What happens if we did not use the c() function?\n",
    "# 1, 0, -1, 2.5\n",
    "\n",
    "# >> Error: unexpected ',' in \"1\""
   ]
  },
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   "cell_type": "code",
   "execution_count": 4,
   "id": "52f802b4-a30e-4c06-9254-b5830ed934a7",
   "metadata": {},
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    {
     "data": {
      "text/html": [
       "'i'"
      ],
      "text/latex": [
       "'i'"
      ],
      "text/markdown": [
       "'i'"
      ],
      "text/plain": [
       "[1] \"i\""
      ]
     },
     "metadata": {},
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    }
   ],
   "source": [
    "## Entering Characters\n",
    "\n",
    "# Insert \"\" so that R will read your input as a character\n",
    "\"i\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "0e117046-3577-46b8-bbdd-4beeae52dbe2",
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   "outputs": [],
   "source": [
    "## What happens when we remove \"\"?\n",
    "# i\n",
    "# Error: object 'i' not found\n",
    "\n",
    "# NOTE: The outputs may still vary depending on the \n",
    "# character input. This also works when we replace the \n",
    "# letter with numbers or symbols."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "46c64c04-193b-47cd-9a5e-b1e44b14bdcb",
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    {
     "data": {
      "text/html": [
       "<style>\n",
       ".list-inline {list-style: none; margin:0; padding: 0}\n",
       ".list-inline>li {display: inline-block}\n",
       ".list-inline>li:not(:last-child)::after {content: \"\\00b7\"; padding: 0 .5ex}\n",
       "</style>\n",
       "<ol class=list-inline><li>'a'</li><li>'3'</li><li>'?'</li></ol>\n"
      ],
      "text/latex": [
       "\\begin{enumerate*}\n",
       "\\item 'a'\n",
       "\\item '3'\n",
       "\\item '?'\n",
       "\\end{enumerate*}\n"
      ],
      "text/markdown": [
       "1. 'a'\n",
       "2. '3'\n",
       "3. '?'\n",
       "\n",
       "\n"
      ],
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       "[1] \"a\" \"3\" \"?\""
      ]
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   ],
   "source": [
    "# Entering a collection of characters\n",
    "c(\"a\", \"3\", \"?\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "7849918d-c0dd-4f23-9992-f9fa30f0cff9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "'Math 101'"
      ],
      "text/latex": [
       "'Math 101'"
      ],
      "text/markdown": [
       "'Math 101'"
      ],
      "text/plain": [
       "[1] \"Math 101\""
      ]
     },
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    {
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      "text/html": [
       "<style>\n",
       ".list-inline {list-style: none; margin:0; padding: 0}\n",
       ".list-inline>li {display: inline-block}\n",
       ".list-inline>li:not(:last-child)::after {content: \"\\00b7\"; padding: 0 .5ex}\n",
       "</style>\n",
       "<ol class=list-inline><li>'hello'</li><li>'world'</li></ol>\n"
      ],
      "text/latex": [
       "\\begin{enumerate*}\n",
       "\\item 'hello'\n",
       "\\item 'world'\n",
       "\\end{enumerate*}\n"
      ],
      "text/markdown": [
       "1. 'hello'\n",
       "2. 'world'\n",
       "\n",
       "\n"
      ],
      "text/plain": [
       "[1] \"hello\" \"world\""
      ]
     },
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    }
   ],
   "source": [
    "# Entering Strings\n",
    "\"Math 101\"\n",
    "\n",
    "# Entering a collection of strings\n",
    "c(\"hello\", \"world\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "96d6f659-2fd1-468d-8258-df79f22f4156",
   "metadata": {},
   "outputs": [],
   "source": [
    "# Naming a collection\n",
    "c = c(1, 2, 3, 4, 5, 6, -1, -2, 0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "3628c4cb-00bc-432d-838a-f93f50585345",
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   "outputs": [
    {
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       "<style>\n",
       ".list-inline {list-style: none; margin:0; padding: 0}\n",
       ".list-inline>li {display: inline-block}\n",
       ".list-inline>li:not(:last-child)::after {content: \"\\00b7\"; padding: 0 .5ex}\n",
       "</style>\n",
       "<ol class=list-inline><li>3</li><li>5</li><li>7</li></ol>\n"
      ],
      "text/latex": [
       "\\begin{enumerate*}\n",
       "\\item 3\n",
       "\\item 5\n",
       "\\item 7\n",
       "\\end{enumerate*}\n"
      ],
      "text/markdown": [
       "1. 3\n",
       "2. 5\n",
       "3. 7\n",
       "\n",
       "\n"
      ],
      "text/plain": [
       "[1] 3 5 7"
      ]
     },
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    }
   ],
   "source": [
    "# Some basic R Operations\n",
    "## Element wise Addition/Vector Addition\n",
    "\n",
    "x = c(1, 2, 3)\n",
    "y = c(2, 3, 4)\n",
    "x + y"
   ]
  },
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   "execution_count": 12,
   "id": "1bf1cdeb-20dc-45de-8f02-ca2f86ebcc8d",
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       "<table class=\"dataframe\">\n",
       "<caption>A matrix: 3 × 3 of type dbl</caption>\n",
       "<thead>\n",
       "\t<tr><th scope=col>x</th><th scope=col>y</th><th scope=col>z</th></tr>\n",
       "</thead>\n",
       "<tbody>\n",
       "\t<tr><td>1</td><td>2</td><td>3</td></tr>\n",
       "\t<tr><td>2</td><td>3</td><td>4</td></tr>\n",
       "\t<tr><td>3</td><td>4</td><td>5</td></tr>\n",
       "</tbody>\n",
       "</table>\n"
      ],
      "text/latex": [
       "A matrix: 3 × 3 of type dbl\n",
       "\\begin{tabular}{lll}\n",
       " x & y & z\\\\\n",
       "\\hline\n",
       "\t 1 & 2 & 3\\\\\n",
       "\t 2 & 3 & 4\\\\\n",
       "\t 3 & 4 & 5\\\\\n",
       "\\end{tabular}\n"
      ],
      "text/markdown": [
       "\n",
       "A matrix: 3 × 3 of type dbl\n",
       "\n",
       "| x | y | z |\n",
       "|---|---|---|\n",
       "| 1 | 2 | 3 |\n",
       "| 2 | 3 | 4 |\n",
       "| 3 | 4 | 5 |\n",
       "\n"
      ],
      "text/plain": [
       "     x y z\n",
       "[1,] 1 2 3\n",
       "[2,] 2 3 4\n",
       "[3,] 3 4 5"
      ]
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   "source": [
    "# Matrices <3\n",
    "\n",
    "x = c(1, 2, 3)\n",
    "y = c(2, 3, 4)\n",
    "z = c(3, 4, 5)\n",
    "cbind(x,y,z)"
   ]
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   "execution_count": 14,
   "id": "a7e0606a-7561-4800-87b1-e9d598b84af2",
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     "data": {
      "text/html": [
       "<table class=\"dataframe\">\n",
       "<caption>A matrix: 3 × 3 of type dbl</caption>\n",
       "<tbody>\n",
       "\t<tr><th scope=row>x</th><td>1</td><td>2</td><td>3</td></tr>\n",
       "\t<tr><th scope=row>y</th><td>2</td><td>3</td><td>4</td></tr>\n",
       "\t<tr><th scope=row>z</th><td>3</td><td>4</td><td>5</td></tr>\n",
       "</tbody>\n",
       "</table>\n"
      ],
      "text/latex": [
       "A matrix: 3 × 3 of type dbl\n",
       "\\begin{tabular}{r|lll}\n",
       "\tx & 1 & 2 & 3\\\\\n",
       "\ty & 2 & 3 & 4\\\\\n",
       "\tz & 3 & 4 & 5\\\\\n",
       "\\end{tabular}\n"
      ],
      "text/markdown": [
       "\n",
       "A matrix: 3 × 3 of type dbl\n",
       "\n",
       "| x | 1 | 2 | 3 |\n",
       "| y | 2 | 3 | 4 |\n",
       "| z | 3 | 4 | 5 |\n",
       "\n"
      ],
      "text/plain": [
       "  [,1] [,2] [,3]\n",
       "x 1    2    3   \n",
       "y 2    3    4   \n",
       "z 3    4    5   "
      ]
     },
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   ],
   "source": [
    "# Matrices <3\n",
    "x = c(1, 2, 3)\n",
    "y = c(2, 3, 4)\n",
    "z = c(3, 4, 5)\n",
    "rbind(x,y,z)"
   ]
  },
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   "execution_count": 15,
   "id": "3e44573d-5916-4eae-a46d-5ceb4ffe9616",
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   "outputs": [
    {
     "data": {
      "text/html": [
       "1"
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       "1"
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      "text/markdown": [
       "1"
      ],
      "text/plain": [
       "[1] 1"
      ]
     },
     "metadata": {},
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    }
   ],
   "source": [
    "rbind(x, y,z)[1][1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "2d86dd3b-0a95-4fac-b1c5-3e34de276f6a",
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   "outputs": [
    {
     "data": {
      "text/html": [
       "<strong>z:</strong> 5"
      ],
      "text/latex": [
       "\\textbf{z:} 5"
      ],
      "text/markdown": [
       "**z:** 5"
      ],
      "text/plain": [
       "z \n",
       "5 "
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "x = c(1, 2, 3)\n",
    "y = c(2, 3, 4)\n",
    "z = c(3, 4, 5)\n",
    "rbind(x,y,z)[3,3]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5880cd47-0ff1-43b7-8c30-181676b2aaa4",
   "metadata": {},
   "outputs": [],
   "source": [
    "iris <- read.csv(\"iris.csv\", "
   ]
  }
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Thank you