15    Output('data-graph', 'figure'),
16    [Input('data-dropdown', 'value')]
17)
18def update_graph(selected_data):19    # Update the graph based on the selected data
20    pass
21

24        plt.title("Bar Chart of " + column)
25        plt.show()
26
27    def plot_heatmap(self, data):28        sns.heatmap(data.corr(), annot=True, cmap="coolwarm")
29        plt.title("Heatmap of Correlation Matrix")
30        plt.show()

19        plt.title("Scatterplot of " + x + " vs " + y)
20        plt.show()
21
22    def plot_bar_chart(self, data, column):23        sns.countplot(x=column, data=data)
24        plt.title("Bar Chart of " + column)
25        plt.show()

12        plt.title("Histogram of " + column)
13        plt.show()
14
15    def plot_scatterplot(self, data, x, y):16        plt.scatter(data[x], data[y])
17        plt.xlabel(x)
18        plt.ylabel(y)

 5    def __init__(self):
 6        pass
 7
 8    def plot_histogram(self, data, column): 9        plt.hist(data[column], bins=50)
10        plt.xlabel(column)
11        plt.ylabel("Frequency")