04_Histogram.ipynb

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  {
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   "metadata": {},
   "source": [
    "# Visualisation in Python - Matplotlib\n"
   ]
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   "source": [
    "### Histogram: Distibution of employees across different age groups"
   ]
  },
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   "cell_type": "markdown",
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   "source": [
    "-  Useful in checking the distribution of data range\n",
    "-  Builds a bar corresponding to each element in the data range showing its frequency"
   ]
  },
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   "source": [
    "# importing the required libraries - numpy, matplotlib.pyplot \n",
    "\n",
    "\n",
    "# data corresponding to age of the employees in the company\n",
    "age = np.array([23, 22, 24, 24, 23, 23, 22, 23, 24, 24, 24, 22, 24, 23, 24, 23, 22, 24, 23, 23, 22, 23, 23, 24, 23, 24, 23, 22, 24, 22, 23, 24, 23, 24, 22, 22, 24, 23, 22, 24, 24, 24, 23, 24, 24, 22, 23, 23, 24, 22, 22, 24, 22, 23, 22, 23, 22, 23, 23, 23, 23, 22, 22, 23, 23, 23, 23, 23, 23, 22, 29, 29, 27, 28, 28, 29, 28, 27, 26, 27, 28, 29, 26, 28, 26, 28, 27, 27, 28, 28, 26, 29, 28, 28, 26, 27, 26, 28, 27, 29, 29, 27, 27, 27, 28, 29, 29, 29, 27, 28, 28, 26, 28, 27, 26, 26, 27, 26, 29, 28, 28, 28, 29, 26, 26, 26, 29, 26, 28, 26, 28, 28, 27, 27, 27, 29, 27, 28, 27, 26, 29, 29, 27, 29, 26, 29, 26, 29, 29, 27, 28, 28, 27, 29, 26, 28, 26, 28, 27, 29, 29, 29, 27, 27, 29, 29, 26, 26, 26, 27, 28, 27, 28, 28, 29, 27, 26, 27, 29, 28, 29, 27, 27, 26, 26, 26, 26, 29, 28, 28, 33, 34, 33, 33, 34, 33, 31, 32, 33, 33, 32, 34, 32, 31, 33, 34, 31, 33, 34, 33, 34, 33, 32, 33, 31, 33, 32, 32, 31, 34, 33, 31, 34, 32, 32, 31, 32, 31, 32, 34, 33, 33, 31, 32, 32, 31, 32, 33, 34, 32, 34, 31, 32, 31, 33, 32, 34, 31, 32, 34, 31, 31, 34, 34, 34, 32, 34, 33, 33, 32, 32, 33, 31, 33, 31, 32, 34, 32, 32, 31, 34, 32, 32, 31, 32, 34, 32, 33, 31, 34, 31, 31, 32, 31, 33, 34, 34, 34, 31, 33, 34, 33, 34, 31, 34, 34, 33, 31, 32, 33, 31, 31, 33, 32, 34, 32, 34, 31, 31, 34, 32, 32, 31, 31, 32, 31, 31, 32, 33, 32, 31, 32, 32, 31, 31, 34, 31, 34, 33, 32, 31, 34, 34, 31, 34, 31, 32, 34, 33, 33, 34, 32, 33, 31, 31, 33, 32, 31, 31, 31, 37, 38, 37, 37, 36, 37, 36, 39, 37, 39, 37, 39, 38, 36, 37, 36, 38, 38, 36, 39, 39, 37, 39, 36, 37, 36, 36, 37, 38, 36, 38, 39, 39, 36, 38, 37, 39, 38, 39, 39, 36, 38, 37, 38, 39, 36, 37, 36, 36, 38, 38, 38, 39, 36, 37, 37, 39, 37, 37, 36, 36, 39, 37, 36, 36, 36, 39, 37, 37, 37, 37, 39, 36, 39, 37, 38, 37, 36, 36, 39, 39, 36, 36, 39, 39, 39, 37, 38, 36, 36, 37, 38, 37, 38, 37, 39, 39, 37, 39, 36, 36, 39, 39, 39, 36, 38, 39, 39, 39, 39, 38, 36, 37, 37, 38, 38, 39, 36, 37, 37, 39, 36, 37, 37, 36, 36, 36, 38, 39, 38, 36, 38, 36, 39, 38, 36, 36, 37, 39, 39, 37, 37, 37, 36, 37, 36, 36, 38, 38, 39, 36, 39, 36, 37, 37, 39, 39, 36, 38, 39, 39, 39, 37, 37, 37, 37, 39, 36, 37, 39, 38, 39, 36, 37, 38, 39, 38, 36, 37, 38, 42, 43, 44, 43, 41, 42, 41, 41, 42, 41, 43, 44, 43, 44, 44, 42, 43, 44, 43, 41, 44, 42, 43, 42, 42, 44, 43, 42, 41, 42, 41, 41, 41, 44, 44, 44, 41, 43, 42, 42, 43, 43, 44, 44, 44, 44, 44, 41, 42, 44, 43, 42, 42, 43, 44, 44, 44, 44, 41, 42, 43, 43, 43, 41, 43, 41, 42, 41, 42, 42, 41, 42, 44, 41, 43, 42, 41, 43, 41, 44, 44, 43, 43, 43, 41, 41, 41, 42, 43, 42, 48, 48, 48, 49, 47, 45, 46, 49, 46, 49, 49, 46, 47, 45, 47, 45, 47, 49, 47, 46, 46, 47, 45, 49, 49, 49, 45, 46, 47, 46, 45, 46, 45, 48, 48, 45, 49, 46, 48, 49, 47, 48, 45, 48, 46, 45, 48, 45, 46, 46, 48, 47, 46, 45, 48, 46, 49, 47, 46, 49, 48, 46, 47, 47, 46, 48, 47, 46, 46, 49, 50, 54, 53, 55, 51, 50, 51, 54, 54, 53, 53, 51, 51, 50, 54, 51, 51, 55, 50, 51, 50, 50, 53, 52, 54, 53, 55, 52, 52, 50, 52, 55, 54, 50, 50, 55, 52, 54, 52, 54])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Checking the number of employees\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# plotting a histogram\n",
    "\n",
    "\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Plotting a histogram with fixed number of bins"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# plotting a histogram\n",
    "\n",
    "\n",
    "plt.show()"
   ]
  }
 ],
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