correlation Questions
4
Solved
Using R corrplot, I have not found a solution where the correlation coefficients in the boxes are plotted together with their significances, i.e. 0.84***
Here is the code plotting only the signific...
Luker asked 3/8, 2020 at 10:33
3
Solved
I have some problems with my result:
dataCorr = data.corr(method='pearson')
dataCorr = dataCorr[abs(dataCorr) >= 0.7].stack().reset_index()
dataCorr = dataCorr[dataCorr.level_0!=dataCorr.level_...
Konyn asked 23/1, 2018 at 6:15
4
I am using the following with corrplot:
require("corrplot") ## needs the corrplot package
corrplot(cor(lpp_axis1, lpp_axis2), method=c("number"), bg = "grey10",
addgrid.col = "gray50", tl.offset ...
Incitement asked 19/3, 2011 at 2:26
7
Solved
I have to compare two time-vs-voltage waveforms. Because of the peculiarity of the sources of these waveforms, one of them can be a time shifted version of the other.
How can i find whether there...
Unfavorable asked 14/1, 2011 at 7:6
1
I recently found this answer which provides the code of an unbiased version of Cramer's V for computing the correlation of two categorical variables:
import scipy.stats as ss
def cramers_corrected...
Mireille asked 12/4 at 22:20
4
Solved
It seems that corrcoef from numpy throw a RuntimeWarning when a constant list passed to the corrcoef() function, for example the below code throw a warning :
import numpy as np
X = [1.0, 2.0, 3.0, ...
Philina asked 26/8, 2017 at 15:30
2
Solved
I'd like to generate correlated arrays of x and y coordinates, in order to test various matplotlib plotting approaches, but I'm failing somewhere, because I can't get numpy.random.multivariate_norm...
Perfectionism asked 8/9, 2013 at 12:44
16
Solved
How do you find the top correlations in a correlation matrix with Pandas? There are many answers on how to do this with R (Show correlations as an ordered list, not as a large matrix or Efficient w...
Topflight asked 22/7, 2013 at 0:31
3
Solved
I'm getting this very strange error when trying to follow the following exercise on using the corr() method in Python
https://www.geeksforgeeks.org/python-pandas-dataframe-corr/
Specifically, when ...
Hunsaker asked 22/6, 2023 at 14:53
8
Solved
I have a matrix data with m rows and n columns. I used to compute the correlation coefficients between all pairs of rows using np.corrcoef:
import numpy as np
data = np.array([[0, 1, -1], [0, -1, ...
Sought asked 26/6, 2014 at 13:39
4
Solved
I have a huge dataframe 5600 X 6592 and I want to remove any variables that are correlated to each other more than 0.99 I do know how to do this the long way, step by step i.e. forming a correlatio...
Barney asked 16/8, 2013 at 14:26
2
Solved
I've got a df that contains the columns profession and media. I would like to calculate the correlation between those two columns.
Is there a short hack of calculating the correlation of columns ...
Tremulant asked 9/7, 2018 at 8:55
4
Solved
I have a data set made of 22 categorical variables (non-ordered). I would like to visualize their correlation in a nice heatmap. Since the Pandas built-in function
DataFrame.corr(method='pearson',...
Davina asked 30/12, 2017 at 15:43
2
Solved
Original question
I am correlating row P of size n to every column of matrix O of size n×m. I crafted the following code:
import numpy as np
def ColumnWiseCorrcoef(O, P):
n = P.size
DO...
Selfness asked 16/10, 2013 at 10:30
2
I have dataframe with shape (335539, 26).
So I have 26 features. But when i use
data.corr()
I get a 12 x 12 matrix.
What can be wrong?
`
Nemesis asked 16/8, 2018 at 12:37
5
Solved
I have a single vector of flow data (29 data) and a 3D matrix data(360*180*29)
i want to find the correlation between single vector and 3D vector. The correlation matrix will have a size of 360*18...
Barthol asked 3/2, 2012 at 6:59
5
Solved
I ran a correlation matrix:
sns.pairplot(data.dropna())
corr = data.dropna().corr()
corr.style.background_gradient(cmap='coolwarm').set_precision(2)
and it looks like advisory_pct is fairly (0.5...
Hoye asked 7/9, 2018 at 20:24
2
Solved
I want to calculate the correlation between my dependent variable y and all my x. I use the code below,
cor(loan_data_10v[sapply(loan_data_10v, is.numeric)],use="complete.obs")
the result is a ...
Weeks asked 26/8, 2017 at 5:37
2
Solved
I understand how to calculate a rolling sum, std or average. Example:
df['MA10'] = df['Asset1'].rolling(10).mean()
But I don't understand the syntax to calculate the rolling correlation between ...
Pastor asked 21/8, 2018 at 21:52
2
Solved
all, I have a correlation matrix of 21 industry sectors. Now I want to split these 21 sectors into 4 or 5 groups, with sectors of similar behaviors grouped together.
Can experts shed me some light...
Schmit asked 12/10, 2018 at 21:53
4
Solved
I have these data
> a
a b c
1 1 -1 4
2 2 -2 6
3 3 -3 9
4 4 -4 12
5 5 -5 6
> b
d e f
1 6 -5 7
2 7 -4 4
3 8 -3 3
4 9 -2 3
5 10 -1 9
> cor(a,b)
d e f
a 1.0000000 1.0000000 0.1767767
b -...
Hallowell asked 15/7, 2011 at 22:49
2
Solved
I have a dataframe df that looks like:
0 1 2 3 4 5 6 7 8
0 2014-03-19T12:44:32.695Z 1395233072695 703425 0 2 1 13 5 21
1 2014-03-19T12:44:32.727Z 1395233072727 703425 0 2 1 13 5 21
The columns ar...
Hime asked 26/3, 2014 at 8:51
3
I'm currently trying to create an R function computing the corr.test correlation of a specified column with all the numeric columns of a dataframe. Here's my code :
#function returning only numeri...
Behl asked 9/7, 2014 at 16:33
3
Solved
I have the below data:
prop_tenure prop_12m prop_6m
0.00 0.00 0.00
0.00 0.00 0.00
0.06 0.06 0.10
0.38 0.38 0.25
0.61 0.61 0.66
0.01 0.01 0.02
0.10 0.10 0.12
0.04 0.04 0.04
0.22 0.22 0.22
...
Evalynevan asked 13/6, 2018 at 8:11
3
Pandas pairwise correlation on a DataFrame comes handy in many cases. However, in my specific case I would like to use a method not provided by Pandas (something other than (pearson, kendall or spe...
Ardeth asked 14/8, 2013 at 14:25
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