Plot with a grid?
I am looking for a type of plot that is essentially a grid. For example, there will be 10 columns and 50 rows. For e...
How can I replace TRUE and FALSE values with 1 and 0 when exporting data in R??
I am exporting data from R with the command: write.table(output,file="data.raw", na "-9999",sep="\t",row.names=F,co...
Collapse columns in a dataframe (R)?
Basically, I have a dataframe, df Beginning1 Protein2 Protein3 Protein4 Biomarker1 ...
Reading multiple csv files faster into data.table R?
I have 900000 csv files which i want to combine into one big data.table. For this case I created a for loop which re...
How to create lag variables?
I want to create lagged variable for a variable pm10 and used the following code. However, I could not get what I wa...
Create new column with most recent date?
I have some trouble with a dataset I have in data.table. Basically, I have 2 columns: scheduled delivery date and re...