Updated some docs

Author: Florian Wilhelm

README.rst

@@ -16,9 +16,14 @@ It is in a beta state and only includes ARMA models right now.
 Documentation is available under http://pydse.readthedocs.org/.
 
 
-Install
-=======
+Installation
+============
 
 To install in your home directory, use::
 
     python setup.py install --user
+
+If your are using `virtualenv <http://virtualenv.readthedocs.org/en/latest/>`_,
+just use `pip <http://pip.readthedocs.org/>`_::
+
+    pip install pydse

docs/forecast.rst

@@ -1,6 +1,6 @@
-===========
-Forecasting
-===========
+=====================
+Forecast with horizon
+=====================
 
 In chapter :ref:`Estimation of Parameters <estimation-of-parameters>` only
 one-step ahead predictions were applied. So in our example of monthly data,

docs/index.rst

@@ -4,7 +4,8 @@ PyDSE
 
 Toolset for Dynamic System Estimation for time series inspired by
 `DSE <http://cran.r-project.org/web/packages/dse/index.html>`_.
-It is in a pre-alpha state and only includes ARMA models right now.
+It is in a beta state and only includes ARMA models right now.
+
 
 Contents
 ========
@@ -14,7 +15,7 @@ Contents
 
    Create and Simulate <simulate>
    Estimation of Parameters <estimate>
-   Forecasting <forecast>
+   Forecast with horizon <forecast>
    Contribution <contrib>
    Module Reference <_rst/modules>