On Wed, 15 Dec 2021, Avi Gross wrote:
I still do not see what you want to do, sorry.
Avi,
Backing up to my original post on this thread I've realized that no one
addressed my main question: do variable measurement intervals affect
analyses of the data. And, if so, how and how to compensate fo
On Thu, 16 Dec 2021, Chris Evans wrote:
What you said earlier was:
For me the next step, in tidyverse pseudocode, might be something like:
tibData %>%
arrange(nbr, datetime) %>% # just in case things are not ordered nicely
group_by(site_nbr) %>% # as you want to get changes within site I
s
and supports publications. Others here are professional statisticians
_and_ professional R coders.
Very best and seasonal greetings to all,
Chris
- Original Message -
> From: "Rich Shepard"
> To: "r-help mailing list"
> Sent: Wednesday, 15 December, 2021
On Thu, 16 Dec 2021, Jim Lemon wrote:
From what you sent, it seems like you want to find where the change in
_measurement interval_ occurred. That looks to me as though it is the
first datetime in each row. In the first row, there is a week gap between
the ten and fifteen minute intervals. This
Hi Rich,
>From what you sent, it seems like you want to find where the change in
_measurement interval_ occurred. That looks to me as though it is the
first datetime in each row. In the first row, there is a week gap
between the ten and fifteen minute intervals. This may indicate that
no measuremen
On Wed, 15 Dec 2021, jim holtman wrote:
At least show a sample of the data and then what you would like as output.
Jim,
There are 813,694 rows of data. As I wrote,
A 33-year set of river discharge data at one gauge location has recording
intervals of 5, 10, and 30 minutes over the period of
ide
answers such as how many measures were made in what total amount of time
(first to last.)
-Original Message-
From: R-help On Behalf Of jim holtman
Sent: Wednesday, December 15, 2021 1:05 PM
To: Rich Shepard
Cc: R mailing list
Subject: Re: [R] Changing time intervals in data set
At le
At least show a sample of the data and then what you would like as output.
Thanks
Jim Holtman
*Data Munger Guru*
*What is the problem that you are trying to solve?Tell me what you want to
do, not how you want to do it.*
On Wed, Dec 15, 2021 at 6:40 AM Rich Shepard
wrote:
> A 33-year set of
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