Add or change legend names while using qplot (Data Visualization Basics in R #4)

Today we will be looking at how to add or change legend names when using qplot() function within the ggplot2 package in R. This is the fourth video of the Data Visualization in R Tutorial Video Series and you can find the link to the playlist below: https://tinyurl.com/data-viz-basics-in-R If you are a beginner interested in learning data analysis in R, check our my “Data Analysis Basics in R Tutorial Video Series” as well. The link is attached below. Enjoy!!! https://tinyurl.com/data-analysis-basics-in-R ---------------------------------------- Other related videos/links: # Data Visualization Basics in R Intro to plotting using qplot in R: https://www.youtube.com/watch?v=iU_h7zMX9To&t=7s Histogram and boxplot in R: https://www.youtube.com/watch?v=7XXS6s3Q4Sc&t=8s Violin plots in R: https://www.youtube.com/watch?v=t_nYM1QMlKM&t=15s # Data Analysis Basics in R Setting a working directory in R Studio: https://www.youtube.com/watch?v=pEIJwp8BuFM Data structures in R: https://www.youtube.com/watch?v=ytSrlKP3ghA Create a dataframe in R: https://www.youtube.com/watch?v=rCHu5KYBqSU Install packages in R: https://www.youtube.com/watch?v=deHi_IjQJx4 How to import .csv file in R: https://www.youtube.com/watch?v=Au--TNVdW4o How to import .txt file in R: https://www.youtube.com/watch?v=VGHFbITcuGw How to add a column in R: https://www.youtube.com/watch?v=WRLWKWgLHnM How to remove a column in R: https://www.youtube.com/watch?v=c5KRWZvY5VA How to add a row in R: https://www.youtube.com/watch?v=WPA4rML0TBU How to remove a row in R: https://www.youtube.com/watch?v=xSYVOMBR2pE Count the number of rows and columns in R: https://www.youtube.com/watch?v=dCRXtDH_WoM Sum of rows in R: https://www.youtube.com/watch?v=BYBzljbtlGM&t=27s Sum of columns in R: https://www.youtube.com/watch?v=32tXGuUsnxc&t=32s Finding names of rows and columns in R: https://www.youtube.com/watch?v=4RKalGnS9yo How to change column names in R dataframes: https://www.youtube.com/watch?v=52Lk4Ch4lEg&t=17s How to remove rows with 0 values in R dataframes: https://www.youtube.com/watch?v=R0m61qLie5E How to find unique column values in R dataframes: https://www.youtube.com/watch?v=Sda71Og1TuQ How to find duplicate values in R: https://www.youtube.com/watch?v=-ANbouAfkBE Clear console in R Studio: https://www.youtube.com/watch?v=EK6tNthvRBg # More about R What is R: https://www.r-project.org/about.html Downloading R and R Studio: https://rstudio-education.github.io/hopr/starting.html R Swirl (for beginners): https://swirlstats.com/ What is R CRAN: https://cran.r-project.org/doc/FAQ/R-FAQ.html#What-is-CRAN_003f ---------------------------------------- Also, in case you happened to be a spatial science (GIS/Remote Sensing) enthusiast, you are in luck! I have made available a whole bunch of related videos on my channel. A few of the most popular and/or significant ones are listed below. Enjoy! Intro to GIS and Remote Sensing: https://www.youtube.com/watch?v=VfDAd-MO94o What is LiDAR Remote Sensing: https://www.youtube.com/watch?v=TpFSDevs7X8&t=814s LiDAR Remote Sensing/NASA GEDI Tutorial Series: https://www.youtube.com/watch?v=TpFSDevs7X8&list=PLoARWRpovQjDZny-ngMdKW-TQJnDPvyHL ----------------------------------------