updated doc and README

README.md

@@ -6,7 +6,7 @@
 [![PyPI - Downloads](https://img.shields.io/pypi/dm/tsgen?label=pypi%20downloads)](https://pypi.org/project/tsgen/)
 ![License](https://img.shields.io/github/license/MarwanDebbiche/tsgen)
 
-tsgen (for Time Series Generator) is a package developed for educational purposes that helps create unidimensional time series of different shapes.
+tsgen (for Time Series Generator) is a package developed [for educational purposes](https://medium.com/@marwan.debbiche/a-modern-set-up-for-python-package-development-f60b27a26bd7) that helps create unidimensional time series of different shapes.
 
 ## Installation
 

tsgen/time_serie.py

@@ -29,7 +29,6 @@ class TimeSerie:
     ...     index=index,
     ...     y_values=np.linspace(1, 1, len(index))
     ... )
-
     >>> ts
                 y_values
     2020-01-31  0.000000
@@ -44,7 +43,6 @@ class TimeSerie:
     2020-10-31  0.818182
     2020-11-30  0.909091
     2020-12-31  1.000000
-
     >>> ts + 3 - ts
                 y_values
     2020-01-31       3.0
@@ -89,7 +87,7 @@ def plot(self):
         `pd.Series.plot function
         <https://pandas.pydata.org/docs/reference/api/pandas.Series.plot.html>`_.
         """
-        return self.to_frame().y_values.plot()
+        return self.to_series().plot()
 
     def __len__(self) -> int:
         return len(self.index)