corrr | Explore correlations in R | Data Visualization library
kandi X-RAY | corrr Summary
kandi X-RAY | corrr Summary
corrr is a package for exploring correlations in R. It focuses on creating and working with data frames of correlations (instead of matrices) that can be easily explored via corrr functions or by leveraging tools like those in the tidyverse. This, along with the primary corrr functions, is represented below:.
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QUESTION
I did the correlation of some variables, however when exporting the results I got an error, because instead of exporting the correlation results the function returns the original data.frame.
...ANSWER
Answered 2021-Jun-30 at 21:10You could assign your correlations back to data_land
to have it in this object. Then saving it is xlsx
should work. Try adding -> data_land
after the call of focus
:
QUESTION
I'm creating a correlation table using the correlate function in the corrr package. Here is my code and a screenshot of the output.
...ANSWER
Answered 2021-May-16 at 17:40We can use:
QUESTION
I have data that looks like this: https://imgur.com/a/1hOsFpF
The first dataset is a standard format dataset which contains a list of people and their financial properties.
The second dataset contains "relationships" between these people - how much they paid to each other, and how much they owe each other.
I am interested learning more about network and graph based clustering - but I am trying to better understand what type of situations require network based clustering, i.e. I don't want to use graph clustering where its not required (avoid a "square peg round hole" type situation).
Using R, first I created some fake data:
...ANSWER
Answered 2020-Nov-27 at 15:29I am trying to better understand what type of situations require network based clustering
This is completely dependent on your problem domain and the questions you are asking. You really need to have focused questions about the data that you are trying to answer. That being said, there is an set of clustering techniques you can apply that can use both edge weights and node attributes: Hierarchical Clustering.
Edge and node attributes come into play in how you determine the similarity/dissimilarity matrix which drives the clustering. Note that there are many, many implementations of this, take your time and find one that you can apply to your data and problem set.
QUESTION
I was trying to do some manual labour to calculate my own rolling beta for some stock log returns and bumped into this peculiar issue.
To actually reproduce this issue I have paste my full dataset(csv
file) here.
This dataset has a date column but when I was doing my calculate I have excluded it. Below snippet shall create identical dataset to what I have experimented with.
...ANSWER
Answered 2020-Aug-12 at 16:43The function should return a vector, not a matrix. Use the following (or omit the fill argument if you don't want the result to be filled with leading NAs):
QUESTION
I have seen lots of answers with regards to this particular error. I haven't found any answer to it with specifics to my particular issue. Therefore, my problem
This is what I do:
...ANSWER
Answered 2020-May-29 at 15:13Try to convert your predicted probabilities to labels, and then run your confusionMatrix on this:
QUESTION
I want to calculate the pair-wise correlations between "mpg" and all other numeric variables of interest for each cyl in the mtcars dataset. I would like to adopt the tidy data principle.
It's rather easy with corrr::correlate()
.
ANSWER
Answered 2020-Apr-13 at 11:29Would this work for you? I have done this in the past but on smallish datasets and have not bench marked it so not sure of performance. I use pivot_longer
to reshape the data prior to nesting. The variables you pass essentially work as the filtering step, sort of
QUESTION
Using corrr to produce a Pearson correlation matrix, I get a nice data frame and can rearrange to have a organised-looking matrix. However, when I plot this with rplot, the rearrangement seems to be thrown out.
Here is a subset of the correlation data frame, with the matrix run:
...ANSWER
Answered 2020-Apr-02 at 20:45I used mtcars which is also the example in corrr's blog, and I get the same results:
QUESTION
I built this code to check the correlation between Bitcoin and other altCoins, the table data is working fine, my only issue is when I try to plot the result to get a visual representation, I get the below result:
...ANSWER
Answered 2020-Mar-28 at 05:50You need backticks around the variable name.
QUESTION
My data is about 270 columns with 160.000 mainly non-numeric observations.
I need to find patterns and dependencies between the columns. As example, I need a correlation of the column "Material" to other columns.
...ANSWER
Answered 2020-Feb-25 at 15:18Your code uses the function GKtauDataframe
, which tries to calculate the metrics for all 270 x 270 combinations simultanuously. That is too much.
However, as you mentioned, you want rather to compare one column against all others. This should be feasible, and not need that much memory. The function GKtau
does this between a pair of columns:
QUESTION
Trying to extend my own workflow (from columns) here: [1] tidyverse - delete a column within a nested column/list to filtering within a nested column/list, I found this potential solution: [2] Use filter() (and other dplyr functions) inside nested data frames with map()
My problem is that I want to filter in each "nest" on those rows that are not completely NA (i.e. I want to keep any row that has at least one non-missing value.
However, the simple solution in [2] doesn't work for me, probably because I want to filter on the sum of NA's per row, which might involve another map function within the filter.
(Note: I'm using the current github version of dplyr within tidyverse which offers some new experimental functions, like condense - which I'm using below, but I think that's not relevant for my problem/question).
I have the following data:
Data:
...ANSWER
Answered 2020-Feb-17 at 21:59Here, we can use filter_all
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