[add] matplotlib time series

Author: windsuzu

.gitignore

@@ -0,0 +1 @@
+.vscode/settings.json

README.md

@@ -185,6 +185,7 @@ All skills are base on the implementation of Python 3.
 <li><a href="#basic-single-plot">Basic (Single Plot)</li>
 <li><a href="#multiple-figures-and-axes">Multiple Figures and Axes</li>
 <li><a href="#line-plots-and-filling-area">Line Plots and Filling Area</li>
+<li><a href="#time-series">Time Series</li>
 </ul></td>
 </table>
 
@@ -1939,6 +1940,28 @@ plt.fill_between(years,
 
 ## Time Series
 
+``` py
+import matplotlib.dates as mdates
+
+plt.gca().xaxis.set_major_formatter(mdates.DateFormatter("%a, %d %m"))
+plt.gca().xaxis.set_major_locator(mdates.DayLocator(interval=7))
+plt.gca().xaxis.set_minor_locator(mdates.DayLocator())
+
+plt.plot_date(dates, prices, 
+              ls="solid",
+              c="orange",
+              marker="^",
+              markersize=10)
+
+plt.grid()
+plt.tight_layout()
+```
+
+![](assets/matplotlib/time_series.jpg)
+
+- [Details 🔥](matplotlib/time_series.ipynb)
+
+
 ## Scatter Plots
 
 ## Bar Charts

assets/matplotlib/time_series.jpg

@@ -19,6 +19,17 @@
     "%matplotlib inline"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "years = [1.1, 1.3, 1.5, 2.0, 2.2, 2.9, 3.0, 3.2, 3.2, 3.7, 3.9, 4.0, 4.0, 4.1, 4.5, 4.9, 5.1, 5.3, 5.9, 6.0, 6.8, 7.1, 7.9, 8.2, 8.7, 9.0, 9.5, 9.6, 10.3, 10.5]\n",
+    "\n",
+    "salary = [39343.00, 46205.00, 37731.00, 43525.00, 39891.00, 56642.00, 60150.00, 54445.00, 64445.00, 57189.00, 63218.00, 55794.00, 56957.00, 57081.00, 61111.00, 67938.00, 66029.00, 83088.00, 81363.00, 93940.00, 91738.00, 98273.00, 101302.00, 113812.00, 109431.00, 105582.00, 116969.00, 112635.00, 122391.00, 121872.00]"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -43,10 +54,6 @@
     }
    ],
    "source": [
-    "years = [1.1, 1.3, 1.5, 2.0, 2.2, 2.9, 3.0, 3.2, 3.2, 3.7, 3.9, 4.0, 4.0, 4.1, 4.5, 4.9, 5.1, 5.3, 5.9, 6.0, 6.8, 7.1, 7.9, 8.2, 8.7, 9.0, 9.5, 9.6, 10.3, 10.5]\n",
-    "\n",
-    "salary = [39343.00, 46205.00, 37731.00, 43525.00, 39891.00, 56642.00, 60150.00, 54445.00, 64445.00, 57189.00, 63218.00, 55794.00, 56957.00, 57081.00, 61111.00, 67938.00, 66029.00, 83088.00, 81363.00, 93940.00, 91738.00, 98273.00, 101302.00, 113812.00, 109431.00, 105582.00, 116969.00, 112635.00, 122391.00, 121872.00]\n",
-    "\n",
     "plt.plot(years, \n",
     "         salary,\n",
     "         marker=\"o\",\n",