I've completed my Basic Statistics course, and am pleased overall with
the experience. In addition to earning a grade of 105.82% (smart-ass
comment from wife: "How is that even statistically possible?"), I feel
as if I have a comprehensive understanding of not only the procedures
and formulas of ba
Thank you to everyone who responded. I gained a lot of insight into
statistical methods and the nature of statistical thinking. I replied
to some people privately, to limit the traffic on this OT question.
And thank you for the patience of all who were annoyed by this off-
topic question, and who
TIm, thanks for replying to my questions. I really value your insights
in areas of statistics (small sample sizes, agricultural statistics)
that are unique.
The use of one method or technique to check the other was not one I had
thought of. The idea that if one technique, correctly applied, could
Gregg, thanks for your reply to my questions. I was looking for exactly
the type of information you included, especially on the strengths and
weaknesses of each approach.
I was very pleased with the intuitive aspects of the simulation
approach in my course. This was the part that was missing from
Bert, thanks so much for your response. I woke up early this morning
and couldn't go back to sleep, formulating a response. I hope I do it
justice. See in-line below.
On Mon, 2025-05-05 at 20:09 +0100, Bert Gunter wrote:
> 1. What you have been taught is mostly useless for addressing "real"
> stat
I marked this posting as Off Topic because it doesn’t specifically
apply to R and Statistics, but is rather a general question about
statistics and the teaching of statistics. If this is annoying to you,
I apologize.
As I wrap up my work in my beginning statistics course, I’d like to ask
a philoso
all been simulations, bootstraps, randomized distributions, etc.
Thank you, again, Rui and Michael, for your help for me.
-Kevin
On Sat, 2025-03-29 at 16:42 +, Rui Barradas wrote:
> Às 16:09 de 29/03/2025, Kevin Zembower via R-help escreveu:
> > Hello, all,
> >
> > We'r
Neal, thanks so much for precisely focusing on the exact question I
asked. While I can follow along with the workings of your solution, I
never would have thought of it myself.
I'm glad to learn of all the other solutions offered, too. They
broadened my understanding of what I was doing in my stat
Hello, all,
We're now starting to cover hypothesis tests in my Stats 101 course. As
usual in courses using the Lock5 textbook, 3rd ed., the homework
answers are calculated using their StatKey application. In addition
(and for no extra credit), I'm trying to solve the problems using R. In
the case
f wanting to use read_csv(), I think this suffices:
> > > >
> > > > library(readr)
> > > >
> > > > If you instead use:
> > > >
> > > > library(tidyverse)
> > > >
> > > > You load a varying number of packages (it may change) incl
Hi, Richard, thanks for replying. I should have mentioned the third
edition, which we're using. The data file didn't change between the
second and third editions, and the data on Body Mass Gain was the same
as in the first edition, although the first edition data file contained
additional variables
Avi, hi, thanks for your reply. I was vaguely aware of the '...'
construct, but hadn't ever worked out how to actually use it. Thank you
so much for teaching me that. I agree that I should use it in my
function.
Yeah, I just used the parentheses around some of my assignments to
avoid the trouble o
Thank you all, very much, for your kind and detailed explanations. I
didn't understand, mainly, that the matrix() call only called its
parameters once. I was certain that this was a bug with sample()
getting seeded with a constant value, and giving the same permutation.
I think I need to make my M
Hello, all,
I'm learning to do randomized distributions in my Stats 101 class*. I
thought I could do it with a call to sample() inside a matrix(), like:
> matrix(sample(1:10, replace=TRUE), 5, 10, byrow=TRUE)
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
[1,]82318
Just to follow up on this thread, I didn't experience any problems
accessing the air monitoring data with the RAQSAPI package that I
anticipated from the US EPA's Air Quality System (AQS) Data Mart
database website. I didn't have to qualify with an agency affiliation
at all, just an email address.
Bert, Tim, Karl and Richard, thank you all for your suggestions and
help.
I will try the R-sig-ecology list.
Karl, I wasn't aware of the RAQSAPI package, but it looked promising.
However, when I went to the source of the data it uses, the United
States Environmental Protection Agency’s (US EPA) A
Hello, all,
[Originally sent to r-sig-geo list, with no response. Cross-posting
here, in the hope of a wider audience. Anyone with any experience in
this topic? Thanks.]
I'm trying to get started analyzing the concentrations of smokestack
emissions. I don't have any professional background or tra
Tim, thanks, it helps very much. It works like a charm.
Wow, there's so much I don't understand about ggplot2 functions,
especially the aes() function. I just discovered the ggplot2-book.org
site, and I hope to read it slowly and carefully over the next couple
of weeks.
Thanks again, Tim, for all
Hello,
I'm trying to plot a graph of blood glucose versus date. I also record
conditions, such as missing the previous night's medications, and
missing exercise on the previous day. My data looks like:
> b2[68:74,]
# A tibble: 7 × 5
Date Time bg missed_meds no_exercise
> > O'Keefe
> > > > Sent: Wednesday, September 13, 2023 9:58 AM
> > > > To: Kevin Zembower
> > > > Cc: r-help@r-project.org
> > > > Subject: Re: [R] Help with plotting and date-times for climate
> > > > data
> > >
Email]
> > >
> > > Off-topic, but what is a "mean temperature max"
> > > and what good would it do you to know you if you did?
> > > I've been looking at a lot of weather station data and for no
> > > question I've ever had (except &
/09/2023, Kevin Zembower via R-help escreveu:
> > Hello,
> >
> > I'm trying to calculate the mean temperature max from a file of
> > climate
> > date, and plot it over a range of days in the year. I've downloaded
> > the
> > data, and cleaned
few metres -- I meant horizontally when I wrote that, but as you
> > know your head and feet don't experience the same temperature,
> > again by more than one degree -- I am at something of a loss to
> > ascribe much practical significance to TMAX. Are you sure this is
>
Hello,
I'm trying to calculate the mean temperature max from a file of climate
date, and plot it over a range of days in the year. I've downloaded the
data, and cleaned it up the way I think it should be. However, when I
plot it, the geom_smooth line doesn't show up. I think that's because
my x ax
Hello,
On 28 June I asked a question with the subject "Processing a
hierarchical string name". Folks here were very generous in helping me,
and I'm very pleased with the solutions. Now, I'm asking about a related
topic, and I have both technical and stylistic questions.
I'm still working on my
on of one race" and "Population of two or more races".
Thank you both for helping me with this specific problem and for
increasing my knowledge and abilities with R.
-Kevin
On 6/28/23 16:56, Ivan Krylov wrote:
> On Wed, 28 Jun 2023 20:29:23 +
> Kevin Zembower via R-help
Hello, all
I'm trying to process the names of the variables in the US Census
database, that I'm retrieving with tidycensus. My end goal is to produce
nicely formatted tables with natural labels.
The labels as downloaded from the US Census look like this:
## Get the P1 table for block group 3 i
Hi, all,
I'm trying to compose an Rmarkdown document and render it as a PDF file.
My first block of R code seems to work okay, but the second on seems to
be interpreted as LaTeX code, and not executed as R code. In the output,
the three back-ticks that mark the R code block are interpreted as a
Hello, all,
I asked a version of this question on the R-sig-geo list, but didn't get
any response. I'm asking here in the hopes of a wider audience.
I'm trying to draw US Census map data, fetched with tigris, on top of a
base map fetched by the package OpenStreetMap. I'm hoping for the most
st
See below.
On 5/16/23 10:52, Christopher Ryan wrote:
> I"m more of a lattice guy than a ggplot guy, but perhaps this is part of
> the problem:
>
> .
> geom_point(aes(y = m_K, color = "red")) + # >> you've
> associated "K" with the color red
> geom_smooth(aes(
Yep, that did it. I didn't know that you could have pipelines within
pipelines.
Thanks, again, for all your help.
-Kevin
On 5/16/23 11:44, Rui Barradas wrote:
> Às 15:29 de 16/05/2023, Kevin Zembower via R-help escreveu:
>> Hello,
>>
>> I's still working with my
Hello,
I's still working with my tsibble of weight data for the last 20 years.
In addition to drawing an overall trend line, using lm, for the whole
data set, I'd like to draw short lines that would recompute lm and draw
it, say, just for the years from 2010:2015.
Here's a short example that I
Rui, thanks so much for your help. Your explanation and example were
clear and concise. Thanks for taking the time and effort to help me.
-Kevin
On 5/12/23 16:06, Rui Barradas wrote:
> Às 14:24 de 12/05/2023, Kevin Zembower via R-help escreveu:
>> Hello, I'm trying to create a lin
Hello, I'm trying to create a line graph with a legend, but have no
success controlling the legend. Since nothing I've tried seems to work,
I must be doing something systematically wrong. Can anyone point this
out to me?
Here's my data:
> weights
# A tibble: 1,246 × 3
Date J
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