#### Solution By Steps
***Step 1: Import the Seaborn Library***
Import the Seaborn library in R using the following command:
```R
library(seaborn)
```
***Step 2: Calculate the Correlation Matrix***
Calculate the correlation matrix of the dataset using the `cor()` function:
```R
corrmat <- cor(df)
```
***Step 3: Identify Top Correlated Features***
Identify the top correlated features from the correlation matrix:
```R
top_corr_features <- rownames(corrmat)[order(-corrmat[, "target_feature"]),]
```
***Step 4: Create a Heatmap***
Create a heatmap to visualize the correlations between features:
```R
plt <- figure(figsize=c(20,20))
g <- sns.heatmap(df[top_corr_features, top_corr_features], annot=TRUE, cmap="RdYlGn")
```
#### Final Answer
The code provided imports the Seaborn library, calculates the correlation matrix of the dataset, identifies the top correlated features, and creates a heatmap to visualize the correlations between features.
#### Key Concept
Data Visualization
Follow-up Knowledge or Question
What is the purpose of using seaborn in Python for data visualization?
How can correlation matrices help in understanding relationships between features in a dataset?
Why is feature selection important in machine learning models?
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