Re: [R] Question regarding reservoir volume and water level

Homework? -- Sent from my Android device with K-9 Mail. Please excuse my brevity. On April 7, 2024 8:27:18 AM EDT, javad bayat wrote: >Dear all; >I have a question about the water level of a reservoir, when the volume >changed or doubled. >There is a DEM file with the highest elevation 1267 m.

Re: [R] Extracting data using subset function

Is this a homework problem? --Chris Ryan -- Sent from my Android device with K-9 Mail. Please excuse my brevity. On February 5, 2023 9:07:03 AM EST, Upananda Pani wrote: >Dear All, > >I want to create a vector p and extract first 20 observations using subset >function based on logical