purr | Reproducing images with geometric primitives | Graphics library
kandi X-RAY | purr Summary
kandi X-RAY | purr Summary
It's a rust implementation of fogleman's primitive. Created at Rusty Days Hackathon, 2020. For more details about the algorithm, check this out: Hill Climbing.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of purr
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purr Examples and Code Snippets
Community Discussions
Trending Discussions on purr
QUESTION
Suppose I have a nested iris dataset based on the "Species" column, how can I apply purr::map on this nested data to:
- filter rows inside each "Species" based on (Sepal.Length>5) for example
- mutate a new column inside each "Species" which is the "sum" of Sepal.Length and Petal.Length
??
Thank you!!
...ANSWER
Answered 2021-Jun-02 at 01:34You can probably try this -
QUESTION
I'm studying about bootstrap two sample t test with boot package. In gene expression matrix, I want to compare genes between conditions and my aim is to find expressed genes. I have a matrix 5*12(5 control, 7 treatment and 5 genes) and firstly I converted this data matrix to tibble format as two long vector in order to understand the tibble structure and make it easier for me.:
...ANSWER
Answered 2021-Apr-06 at 09:07I'm not sure why you want to bootstrap t-tests. It seems easier to just run the t.test
function. Here is my code for doing that:
Load packages
QUESTION
I have a dataframe
...ANSWER
Answered 2021-May-21 at 18:00You could use pivot_wider
:
QUESTION
Apologies in advance, but I'm new both here and to R. What I'm trying to do is automate adding a column into a data frame that is filled with the actual name of the data frame. For example, if I have the following data frame:
...ANSWER
Answered 2021-May-18 at 21:02If I understand correctly, you want to extract the names of a number of (nested) list members, then assign a column into a dataframe contained in that list member.
This is a quick and dirty solution using example data. It is not best-practices, but it will do in a hurry. Note the <<-
to travel up the various environment levels until you find the list in the global environment.
QUESTION
I have a 19000 x 20 dataframe that I need to split based on buckets (there are 5 buckets total) and then generate scores for all patients based on mean and sd of controls for each bucket. So far, I have figured out how to split the data and generate the mean and sd for controls based on buckets using lists, but can't seem to work out the best way to generate the new scores.
Original dataframe
...ANSWER
Answered 2021-May-06 at 06:56You don't necessarily need to split the dataset here for each bucket
. We can use group_by
to treat each bucket separately.
QUESTION
I want to create a QQplot for each column in a dataframe then return as a list of plots
A small section of my df
...ANSWER
Answered 2021-May-03 at 10:59You can use :
QUESTION
I have asked this question previously (see here) and received a satisfactory answer using the purr
package. However, this has proved to be a bottle neck in my program so I would like to rewrite the section using the RCPP
package.
Proper subset: A proper subset S' of a set S is a subset that is strictly contained in S and so excludes S itself (note I am also excluding the empty set).
Suppose you have the following vectors in a list:
...ANSWER
Answered 2021-Apr-16 at 06:37Have you tried optimising the solution in base R first? For example, the following reproduces your expected output and uses (faster) base R array routines:
QUESTION
I am learning NodeJS and learning prototypal inheritance.
Below is the code I am using for prototypal inheritance .
The issue I am facing is :
The meow, purr and hiss
methods do get called on leopardObj
.
But , whenever I call below methods , inside those methods , this.name
is always coming as undefined.
ANSWER
Answered 2021-Apr-15 at 11:57meow
, purr
and hiss
functions are arrow functions, so you have bind your context incorrectly. Change them to regular functions back and everything will work as expected:
QUESTION
Hi so I'm new to AIML and basically, I want to reuse the answer from "WHAT IS A" to similar patterns e.g. "TELL ME A", I've tried doing it the way below but it doesn't seem to be working. Also sorry if the title doesn't really describe this I'm not sure what to title this.
...ANSWER
Answered 2021-Apr-08 at 11:25You need to use the tag like below:
QUESTION
I am trying to automate a function call, so that I can produce one data frame by rotating in dependent variables such as x, y, and z and using various combinations of grouping variables such as year and race or separately, year, race, and city.
In more detail.
In my minimal example, I have three dependent variables, x,y,z. I also have several grouping variables. For each call, I need to count the number of 1’s. I also need to add a new column which contains string values which reflect the dependent variable that was used.
I was able to write a function that produces the counts when I specify the two grouping variables and the dependent variable. In the real problem, for each of about a dozen dependent variables, I will have to group in a number of different ways. I may have one, two, or three grouping variables. Outside of the function, I added the character column that gives information on what the variables were. I think that inside the function I should have a case_when()statement that says something like:
...ANSWER
Answered 2021-Apr-06 at 22:00If we want to pass as quoted or unquoted, we could convert to symbol with ensym
and evaluate (!!
) . Here, we are changing only the 'var1' part, the grouping columns can also be changed (if we want to do loop more than 1 inputs, use map2
(for 2 variable inputs) or pmap
(for >= 2))
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Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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