Utilizing R Studio for Data Grouping and Mean/Standard Error Calculation (feat ddply)
The function I will introduce today is ddply(). This function is convenient for summarizing large amounts of data and can also calculate standard errors, making it easy to create bar graphs. First, install the package. Once the installation is complete, let’s upload some data. This dataset consists of results from cultivating 4 genotypes under 4 different nitrogen treatment conditions with 4 replicates each. In other words, it comprises a total of 64 data points (4 x 4 x 4). When…