I have a csv file that I have read in to a dataframe from this csv file. I need to calculate descriptive statistics based on columns matching.

1 participant", "keyboard","system","systemorder","wmp" 2 1, "azerty", "nohelp",1,20.1 3 1, "azerty", "autocorrection",2,23.1 4 2,"azerty", "nohelp",1,18 5 2,"azerty", "autocorrection",2,39.3 6 3,"azerty", "nohelp",1,37.2 Write an R script to calculate the descriptive statistics for your experimental data. The descriptive statistics will include means, medians, and standard deviations (i) for each individual type of keyboard (AZERTY and QWERTY) and (ii) for each system (No Help and Auto-Completion). 1 participant", "keyboard","system","systemorder","wmp" 2 1, "azerty", "nohelp",1,20.1 3 1, "azerty", "autocorrection",2,23.1 4 2,"azerty", "nohelp",1,18 5 2,"azerty", "autocorrection",2,39.3 6 3,"azerty", "nohelp",1,37.2 Write an R script to calculate the descriptive statistics for your experimental data. The descriptive statistics will include means, medians, and standard deviations (i) for each individual type of keyboard (AZERTY and QWERTY) and (ii) for each system (No Help and Auto-Completion)