Add alt tags issue #27

_sources/Introduction/introduction.rst

@@ -82,7 +82,7 @@ efficient and comfortable footwear
 What does a data scientist do?
 ------------------------------
 
-.. youtube:: 0tuEEnL61HM
+.. youtube:: 0tuEEnL61HM 
 
 
 Data Science in a Liberal Arts Context
@@ -163,6 +163,7 @@ The Data Science Pipeline
 
 .. image:: Figures/DSPipeline.svg
    :align: left
+   :alt: Depicts the data science pipeline. A series of steps to go through to analyze and communicate with data.
 
 
 One of the primary goals of this textbook is to familiarize you with the data

_sources/WorldFacts/cs2_data_analysis.rst

@@ -343,7 +343,7 @@ Let's write all of the above calls into a single line.
 
 
 .. image:: Figures/visualization_2.png
-
+    :alt: This is a histogram depicting protecting minority score. 
 
 .. fillintheblank:: fact_liability_index2_cs1
    :casei:
@@ -572,6 +572,7 @@ Or, you can put the query right into the call to create a chart.
 
 
 .. image:: Figures/visualization_4.png
+    :alt: This is a scatter graph of protecting minority investors score.
 
 
 Pretty neat! As we can see, one location has a minimal value while others are farther to the right. This graph encapsulates all the protecting_minority_investors_score
@@ -853,6 +854,7 @@ and ``&`` (logical *and*) operators.
 
 
 .. image:: Figures/visualization_5.png
+    :alt: This is a scatter graph protecting minority investor score.
 
 Now, let’s suppose you want to travel and start your dream business in one of your favorite locations. For example, 
 let’s say you have always wanted to go to Malta and start your business. Let’s see what business-related data we have in the data frame for Malta using equality. 
@@ -1013,7 +1015,7 @@ Let's use scatter matrix to see correlation between multiple pairs of things at
         alt.Y(alt.repeat("row"), type='quantitative'),
         color='Region:N'
     ).properties(
-        width=150,
+        width=150
         height=150
     ).repeat(
         row=['protecting_minority_investors_score', 'strength_of_minority_investor_protection_index_(0-50)', 'extent_of_disclosure_index_(0-10)', 'extent_of_director_liability_index_(0-10)'],
@@ -1022,6 +1024,7 @@ Let's use scatter matrix to see correlation between multiple pairs of things at
 
 
 .. image:: Figures/visualization_6.png
+    :alt: This is a group of graphs used to show scatter mattrix. 
 
 
 .. code:: python3

_sources/WorldFacts/cs2_graphing_business_data.rst

@@ -450,12 +450,14 @@ above and apply that to the world below.
 
 
 .. image:: Figures/WorldFactbook_74_0.png
+:alt: This is the world map without color. 
 
 
 Your final result should look like this.
 
 
 .. image:: Figures/Visualization_7.png
+:alt: This is the world map with color based on data.
 
 
 .. reveal:: sol_business_score_map