kandi X-RAY | sepal Summary
kandi X-RAY | sepal Summary
The core of the system is the SEPAL server and the user sandboxes. SEPAL server provides a web-based user-interface, where geospatial data from multiple providers can be searched, processing chains composed and executed, and geospatial data products visualized. The user sandboxes are spaces where users get access to a number of geospatial data processing tools, such as those included in Open Foris Geospatial Toolkit and Orfeo Toolbox, and their own dedicated storage. SEPAL provides users SSH access to their respective sandbox. This can either be done directly with an SSH client, or through a provided web-based terminal. Web-based sandbox tools can be accessed over HTTP. Sandboxes are implemented as Docker containers, which in addition to providing isolation between users, allows for very flexible deployment. Sandboxes are started when needed, and stopped when not used. This enables them to be deployed in a cluster of worker server instances, which can be dynamically scaled up and down based on demand.
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I am creating a function that runs through my variables and determines if they are numeric. If the variable is numeric, I want it to print the mean, median, variance, mode and range. And if it is not numeric, I want it to print just the mode. However it doesn't work not sure if I am using the right function (typeof & class)
I receive below error...
ANSWERAnswered 2021-Jun-15 at 13:10
$ inside functions, we can use
[[ to extract a particular columns.
You can modify the function as follows -
From the “iris” dataset, how to find the number of observations whose “Sepal.Length” is greater than ‘6.5’ Using only loops or conditional statements...
ANSWERAnswered 2021-Jun-15 at 02:27
dat <- iris[iris$Sepal.Length > 6.5, ] nrow(dat)
This is a simplified version of the actual problem I'm dealing with. In this example, I'll be working with four columns, and the actual problem requires working with about 20-30 columns.
iris dataset. Suppose that I wanted to, for some reason, append new columns which would be equal to double the
.Length and the
.Width columns. With the following code, this would change the existing columns:
ANSWERAnswered 2021-Jun-14 at 16:10
We can use
I work with the iris dataset, the aim is to get 4 boxplots next to each other and make them all share an y-axis that goes from 0 to 8...
ANSWERAnswered 2021-Jun-14 at 15:15
Three options:base graphics
Determine the y range before plotting. For this there are two options, choose from one of the
I have this little shiny app (made with much appreciated help, I'm new to shiny...). I need to be able to modify numbers in the table so that the graph will update with the new numbers.
In my app, this all work fine for the first species (sentosa) that show up. However, if I swith the species to versicolor, I can't change the numbers in the table anymore and of course the graph doesn't update.
It seem to me that the row-col identification of the editing in the table dosen't follow up when I use
selectInput. Is there a way that I can edit the datatable for all the species and keep the
ANSWERAnswered 2021-Jun-10 at 17:07
You have a couple of issues here. You are displaying a subset (50 records) of the original dataset with 150 records. However, you are trying the change the values in the original dataset. That will not work if you choose anything other than the first selection for Species. Also, when you change your selection, the previous changes are lost. To retain the changes, you need to make the changes in the original dataset also. Next, to ensure that the edited changes are reflected in the sub dataset, you need to subset it outside of
output$iris_datatable. Try the code below.
I would like to add columns in a dataframe (filled in with NA) from an existing vector.
Here's my example (I want 2 new columns "State" and "Type" with NA)
Many thanks in advance !
ANSWERAnswered 2021-Jun-09 at 09:49
I'm not exactly sure what the result should be, but we can create a named vector of new variables and splice it into
I came across this taken from here:...
ANSWERAnswered 2021-Jun-09 at 09:14
If I understand you correctly, this is really straightforward, just place
dev.off outside the loop:
I need to group a dataframe by one variable and then summarising it by adding the number or rows (I can already do this) and number of columns relative to .25, .5, .75 quantiles of another variable.
In R I would do e.g.:...
ANSWERAnswered 2021-Jun-07 at 19:12
This is shortest I can currently propose you:
I frequently use the dplyr piping to get a column from a tibble into a vector as below...
ANSWERAnswered 2021-Jun-02 at 06:26
In base pipe no placeholder is provided for the data that is passed in the pipe. This is one difference between
magrittr pipe and base R pipe. You may use an anonymous function to access the object.
I am trying to generate a simple plot of the Iris dataset, plotting sepal length against sepal width. I want to create a colobar next to this figure and label the colobar with ONLY 0, 1 and 2. I succeed in generating the plot and the colorbar, but the labelling of the colorbar doesn't work the way I want it to:...
ANSWERAnswered 2021-Jun-06 at 20:13
I edited your code a bit according to this documentation and it did the trick:
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