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To retrieve the mean from a summary table in R, you can use the following code:
summary_table <- summary(data)
mean <- summary_table[4]
In this code, data is the name of your dataset, and summary_table is the summary table generated using the summary() function. The mean is the fourth value in the summary table, so we extract it using summary_table[4].
You can also use the mean() function in R to calculate the mean directly from your dataset, like this:
mean <- mean(data$column_name)
In this code, column_name is the name of the column containing the data for which you want to calculate the mean.