in r markdown why my dataset is not shown in environment part?? how can I turning back the datasets??

dataset contains data on daily minutes of screen time between April 17th and May 14th. nsights into daily phone usage habits and determine the effect that regular yoga practice () function to get a summary of the structure of data. This function will tell us the dataset, as well as the data type of each column. summary() function to get a summary of a. This function will give us the mean, median, and other statistics for each numeric and tail() functions to view the first and last few rows of my data. This can help us get ke and identify any issues with the data, such as missing values. this part I used 3 techniques of visulation of Productivity column. It means that the time R Markdown