f03a-pandas-series-tworzenie-rozwiazania.ipynb

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  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Pandas - series - zadania"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import numpy as np"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Series Create Float\n",
    "\n",
    "1. Stwórz ``pd.Series`` z 5 liczbami zmiennoprzecinkowymi\n",
    "1. Jedną z tych wartości musi być ``None``"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0    1.1\n",
       "1    2.2\n",
       "2    3.3\n",
       "3    4.4\n",
       "4    NaN\n",
       "dtype: float64"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.Series([1.1, 2.2, 3.3, 4.4, None])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Series Create Randint\n",
    "\n",
    "1. Ustaw ziarno losowości na zero\n",
    "1. Stwórz ``pd.Series`` z 10 losowymi cyframi  (``int`` from ``0`` to ``9``)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0    5\n",
       "1    0\n",
       "2    3\n",
       "3    3\n",
       "4    7\n",
       "5    9\n",
       "6    3\n",
       "7    5\n",
       "8    2\n",
       "9    4\n",
       "dtype: int64"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.random.seed(0)\n",
    "pd.Series(np.random.randint(0,10, size=10))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Series Create Even\n",
    "\n",
    "1. Stwórz ``pd.Series`` z 10 liczbami parzystymi"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0     0\n",
       "1     2\n",
       "2     4\n",
       "3     6\n",
       "4     8\n",
       "5    10\n",
       "6    12\n",
       "7    14\n",
       "8    16\n",
       "9    18\n",
       "dtype: int64"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.Series(np.arange(0,20,2))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Series Create Dates\n",
    "\n",
    "1. Gagarin poleciał w kosmos w 1961-04-12\n",
    "1. Armstrong postawił stopę na Księżycu w 1969-07-21\n",
    "1. Stwórz ``pd.Series`` z dniami pomiędzy startem Gagarina a pierwszym krokiem Armstronga\n",
    "1. Jak wiele dni upłynęło?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [],
   "source": [
    "s = pd.Series(pd.date_range('1961-04-12', '1969-07-21', freq='D'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3023"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(s)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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