update gate and cate notebooks

Author: SvenKlaassen

doc/examples/py_double_ml_cate.ipynb

@@ -216,12 +216,13 @@
    ]
   },
   {
+   "attachments": {},
    "cell_type": "markdown",
    "metadata": {
     "collapsed": false
    },
    "source": [
-    "To estimate the parameters to calculate the CATE estimate call the ``cate()`` method and supply the dataframe of basis elements."
+    "To estimate the parameters to calculate the CATE estimate call the ``cate`` method and supply the dataframe of basis elements."
    ]
   },
   {
@@ -237,12 +238,13 @@
    ]
   },
   {
+   "attachments": {},
    "cell_type": "markdown",
    "metadata": {
     "collapsed": false
    },
    "source": [
-    "To obtain the confidence intervals for the CATE, we have to call the ``confint()`` method and a supply a dataframe of basis elements.\n",
+    "To obtain the confidence intervals for the CATE, we have to call the ``confint`` method and a supply a dataframe of basis elements.\n",
     "This could be the same basis as for fitting the CATE model or a new basis to e.g. evaluate the CATE model on a grid.\n",
     "Here, we will evaluate the CATE on a grid from 0.1 to 0.9 to plot the final results.\n",
     "Further, we construct uniform confidence intervals by setting the option ``joint`` and providing a number of bootstrap repetitions ``n_rep_boot``."