Re: [R] How to create a new data.frame based on calculation of subsets of an existing data.frame

aforementioned two. In fact, the third is identical to the first. Could you please optimize? Thank you very much again, Best, ioanna -Original Message- From: Jim Lemon [mailto:drjimle...@gmail.com] Sent: Friday, December 20, 2019 9:04 PM To: Ioannou, Ioanna Cc: r-help mailing list Subject

Re: [R] How to create a new data.frame based on calculation of subsets of an existing data.frame

check the code I sent last and based on that give your solution? Many thanks. Get Outlook for Android<https://aka.ms/ghei36> From: Jim Lemon Sent: Friday, December 20, 2019 11:40:28 AM To: Ioannou, Ioanna Cc: r-help mailing list Subject: Re: [R] How to cr

Re: [R] How to create a new data.frame based on calculation of subsets of an existing data.frame

mp; DS2_rows,calc_vars] - D[calc_rows & DS3_rows,calc_vars]) + 0.43 * (D[calc_rows & DS3_rows,calc_vars] - D[calc_rows & DS4_rows,calc_vars]) + 1.0* D[calc_rows & DS4_rows,calc_vars] } } } -----Original Mes

[R] How to create a new data.frame based on calculation of subsets of an existing data.frame

Hello everyone, I have the following problem: I have a data.frame with multiple fields. If I had to do my calculations for a given combination of IM.type and Taxonomy is the following: D <- read.csv('Test_v2.csv') names(D) VC <- 0.01*( subset(D, IM.type == 'PGA' & Damage.state == 'DS1' & Taxono