Stories about crops and statistics (plus coding)
Here is a dataset. I want to replace specific text values. First, I want to change “CV1” to “Genotype1”. In the same way, let’s change “Location1” to “Site1”. However, there is a catch. If the sequence goes up to CV10 or Location10, we would have to write this code 10 times. To avoid this kind … Read more
In my previous post, I introduced how to change variable names within columns. In the post, I provided a simple code to rename variables and also used the stringr package for renaming variables. ■ How to Rename Variables within Columns in R? Today I’ll introduce another code to simply rename variables using dplyr() package. In … Read more
Here is one dataset. With this data, I’ll create a line graph to show the change in day length over time. First, let’s transpose the columns to rows using pivot_longer(). I’ll sort the data by Day and Month, but since the month column is in text format, sorting it from January to December directly isn’t … Read more
First, let’s create a dataset. and observe the different data formats of each value. I have two sets of yield data: one in character format (yield column) and the other in numeric format (yield1 column). How to convert missing value to 0 when data is numeric? When data is numeric (yield1 column), and if there … Read more
This is R code to calculate cumulative sum. 1) Data created 2) Cumulative Sum per group 3) datacume() function To make this process easier, I developed an R function, datacume(). For details, please read the post below. 1) Install the function 2) Run the code © 2022 – 2023 https://agronomy4future.com
I have data, as shown below, regarding iron contents in soil and the plant uptake of iron at different growth stages in winter wheat. I want to analyze the relationship between the iron content in the soil and the plant uptake of iron at different growth stages in winter wheat. We can simply draw a … Read more