diff --git a/CSV_Clean.jpeg b/CSV_Clean.jpeg
new file mode 100644
index 0000000..6cc0c44
Binary files /dev/null and b/CSV_Clean.jpeg differ
diff --git a/Class_Slides_1.tex b/Class_Slides_1.tex
index 93d7704..7f06f13 100644
--- a/Class_Slides_1.tex
+++ b/Class_Slides_1.tex
@@ -89,117 +89,7 @@
 \end{frame}
 
 
-\begin{frame}{Section One Topics}
-\centering
-\begin{tikzpicture}[
-  node distance=1.5cm and 2.5cm,
-  every node/.style={draw, rounded corners, text centered, minimum width=3.8cm, minimum height=1cm, font=\small},
-  designstyle/.style={fill=blue!20},
-  datastyle/.style={fill=orange!20},
-  analysisstyle/.style={fill=teal!20, opacity=0.3},
-  reportstyle/.style={fill=yellow!40, thick, draw=black, font=\bfseries, opacity=0.3},
-  fadedarrow/.style={->, thick, opacity=0.3}
-]
-
-% Title above left column
-
-% Left column nodes
-\node[designstyle] (q) at (-3,1.8) {Economic Question};
-\node[designstyle] (sd) at (-3,0) {Strategy and Design};
-\node[datastyle] (dc) at (-3,-1.8) {Data Collection};
-\node[datastyle] (clean) at (-3,-3.6) {Data Cleaning};
-
-% Right column nodes faded
-\node[analysisstyle] (explore) at (3,0.9) {Exploration};
-\node[analysisstyle] (analysis) at (3,-0.9) {Analysis};
-\node[reportstyle] (report) at (3,-2.7) {Final Report and Figures};
-% add missing arrows
- \onslide<1->{\draw[->, thick] (q) -- (sd);}
-\onslide<1->{\draw[->, thick] (sd) -- (dc);}
-\onslide<1->{\draw[->, thick] (dc) -- (clean);}
-
-
-% Arrows faded
-\draw[fadedarrow] (clean.east) -- ++(1.5,0) |- (explore.west);
-\draw[fadedarrow] (explore) -- (analysis);
-\draw[fadedarrow] (analysis) -- (report);
-\draw[fadedarrow, dashed] (explore.north) -- ++(0,1.2) -- ++(-6.0,0) -- (q.north);
-\draw[fadedarrow, dashed] (dc.east) -- ++(1.2,0) -- ++(0,1.8) -- ++(-0.6,0) -- (sd.east);
-
-% Box around left column
-\draw[thick, red, rounded corners] (-5,2.5) rectangle (-1,-4.3);
-\end{tikzpicture}
-\end{frame}
-
-\begin{frame}{Section One Topics}
-\centering
-\begin{columns}
-	\begin{column}{0.5\textwidth}
-
-\begin{tikzpicture}[
-  node distance=1.5cm and 2.5cm,
-  every node/.style={draw, rounded corners, text centered, minimum width=3.8cm, minimum height=1cm, font=\small},
-  designstyle/.style={fill=blue!20},
-  designstyle_blur/.style={fill=blue!20, opacity=0.3},
-  designstyle_bold/.style={fill=blue!20, thick, draw=black, font=\bfseries},
-  datastyle/.style={fill=orange!20},
-  datastyle_blur/.style={fill=orange!20, opacity=0.3},
-  datastyle_bold/.style={fill=orange!20, thick, draw=black, font=\bfseries },
-  analysisstyle/.style={fill=teal!20, opacity=0.3},
-  reportstyle/.style={fill=yellow!40, thick, draw=black, font=\bfseries, opacity=0.3},
-  fadedarrow/.style={->, thick, opacity=0.3}
-]
-
-% Title above left column
-
-% Left column nodes
-\only<1>{
-\node[designstyle_bold] (q) at (-3,1.8) {Economic Question};
-\node[designstyle_blur] (sd) at (-3,0) {Strategy and Design};
-\node[datastyle_blur] (dc) at (-3,-1.8) {Data Collection};
-\node[datastyle_blur] (clean) at (-3,-3.6) {Data Cleaning};
-}
-
-\only<2>{
-\node[designstyle_blur] (q) at (-3,1.8) {Economic Question};
-\node[designstyle_bold] (sd) at (-3,0) {Strategy and Design};
-\node[datastyle_blur] (dc) at (-3,-1.8) {Data Collection};
-\node[datastyle_blur] (clean) at (-3,-3.6) {Data Cleaning};
-}
-
-\only<3>{
-\node[designstyle_blur] (q) at (-3,1.8) {Economic Question};
-\node[designstyle_blur] (sd) at (-3,0) {Strategy and Design};
-\node[datastyle_bold] (dc) at (-3,-1.8) {Data Collection};
-\node[datastyle_blur] (clean) at (-3,-3.6) {Data Cleaning};
-}
-
-\only<4>{
-\node[designstyle_blur] (q) at (-3,1.8) {Economic Question};
-\node[designstyle_blur] (sd) at (-3,0) {Strategy and Design};
-\node[datastyle_blur] (dc) at (-3,-1.8) {Data Collection};
-\node[datastyle_bold] (clean) at (-3,-3.6) {Data Cleaning};
-}
-
-% arrows
-\draw[fadedarrow] (q) -- ++(sd);
-\draw[fadedarrow] (sd) -- ++(dc);
-\draw[fadedarrow] (dc) -- ++(clean);
-
-
-%\onslide<1->{\draw[->, thick] (dc) -- (clean);}
-\end{tikzpicture}
-
-\end{column}
-
-\begin{column}{0.5\textwidth}
-		\begin{enumerate}
-			\item{temp}
-		\end{enumerate}
-\end{column}
-	\end{columns}
-\end{frame}
-%%%%%%%%
+%%%%%%%
 \begin{frame}{Economic Question}
 \centering
 \begin{columns}
@@ -319,6 +209,12 @@
 \end{column}
 	\end{columns}
 \end{frame}
+\begin{frame}{Data Collection}
+\centering
 
+\only<1>{\includegraphics[width=\textwidth]{"Data_Types"}}
+\only<2>{\includegraphics[width=\textwidth]{"Data_Conversion"}}
+\only<3>{\includegraphics[width=\textwidth]{"Data_Flow"}}
+\end{frame}
 
 \end{document}
diff --git a/Data_Conversion.jpeg b/Data_Conversion.jpeg
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diff --git a/Data_Flow.jpeg b/Data_Flow.jpeg
new file mode 100644
index 0000000..ea7afd4
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diff --git a/Data_Types.jpeg b/Data_Types.jpeg
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index 0000000..1a9f1bf
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