docs: fix 3 typos in pandas and machine learning tutorial notebooks

notebooks/machine_learning/raw/tut3.ipynb

@@ -181,7 +181,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Many machine learning models allow some randomness in model training. Specifying a number for `random_state` ensures you get the same results in each run. This is considered a good practice. You use any number, and model quality won't depend meaningfully on exactly what value you choose.\n",
+    "Many machine learning models allow some randomness in model training. Specifying a number for `random_state` ensures you get the same results in each run. This is considered a good practice. You can use any number, and model quality won't depend meaningfully on exactly what value you choose.\n",
     "\n",
     "We now have a fitted model that we can use to make predictions.\n",
     "\n",

notebooks/pandas/raw/tut_3.ipynb

@@ -44,7 +44,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "`groupby()` created a group of reviews which allotted the same point values to the given wines. Then, for each of these groups, we grabbed the `points()` column and counted how many times it appeared.  `value_counts()` is just a shortcut to this `groupby()` operation. \n",
+    "`groupby()` created a group of reviews which allotted the same point values to the given wines. Then, for each of these groups, we grabbed the `points` column and counted how many times it appeared.  `value_counts()` is just a shortcut to this `groupby()` operation. \n",
     "\n",
     "We can use any of the summary functions we've used before with this data. For example, to get the cheapest wine in each point value category, we can do the following:"
    ]
@@ -178,7 +178,7 @@
     "\n",
     "Looking again at `countries_reviewed` we can see that grouping returns data in index order, not in value order. That is to say, when outputting the result of a `groupby`, the order of the rows is dependent on the values in the index, not in the data.\n",
     "\n",
-    "To get data in the order want it in we can sort it ourselves.  The `sort_values()` method is handy for this."
+    "To get data in the order we want it in we can sort it ourselves.  The `sort_values()` method is handy for this."
    ]
   },
   {