minor improvement and correction

pykale · Mar 18, 2023 · dbce912 · dbce912
1 parent 9fd3120
commit dbce912
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/content/09-pca-clustering/pca.ipynb b/content/09-pca-clustering/pca.ipynb
@@ -528,7 +528,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "**1**. Load the **miceprotein dataset** from **sklearn.datasets** using **fetch_openml** where the dataset contains **gene expressions** of **mice brains** and show the first 5 rows of the data. Hint: See [here](https://scikit-learn.org/stable/datasets/loading_other_datasets.html#:~:text=gene%20expressions%20in%20mice%20brains) for further help."
+    "**1**. Load the **mice protein dataset** from **sklearn.datasets** using **fetch_openml** where the dataset contains **gene expressions** of **mice brains** and show the first 5 rows of the data. Hint: See [here](https://scikit-learn.org/stable/datasets/loading_other_datasets.html#:~:text=gene%20expressions%20in%20mice%20brains) for further help."
    ]
   },
   {
@@ -568,7 +568,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "**2.** Using StandardScaler, standardise the loaded mouse protein dataset from **Exercise 1**."
+    "**2.** Using StandardScaler, standardise the loaded mice protein dataset from **Exercise 1**."
    ]
   },
   {
@@ -608,7 +608,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "**3.** Now, run **PCA** from **sklearn** explaining at least $95\\%$ variance on the **standardised mouse protein dataset** and display the **top ten eigenvalues**. **Hint:** Eigenvalue equals the explained variance specific to PCA."
+    "**3.** Now, run **PCA** from **sklearn** explaining at least $95\\%$ variance on the **standardised mice protein dataset** and display the **top ten eigenvalues**. Hint: Each eigenvalue represents the captured/explained variance in the direction of the respective eigenvector."
    ]
   },
   {
@@ -689,7 +689,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "**5.** After observing the **explained varience ratio** from **Exercise 4** carefuly, find out how many **principal components** should we take to preserve $70\\%$ of variance of the data?"
+    "**5.** After observing the **explained variance ratio** from **Exercise 4** carefully, find out how many **principal components** should we take to preserve $70\\%$ of variance of the data?"
    ]
   },
   {