indices Questions
3
I have ElasticSearch installed on a server and Kibana 3.0 installed on another machine. Is there any way to get a list of all the indices on the ElasticSearch server to show up on Kibana? Just like...
Cooperate asked 25/6, 2014 at 15:59
4
Solved
Palmer drought severity index is one of the most popular moisture/drought indices around.
There is a package in R called a SPEI that allows calculation of two other popular drought indices (...
2
Solved
array = some kind of list with 3 columns and unlimited amount of rows with data inside of it.
Volume = array[0][2]
counter = 0
for i in array:
if Volume == array[i][2]: #<------ why is this ...
Philomena asked 19/5, 2016 at 16:58
3
Solved
I know how to access elements in a vector by indices doing:
test = numpy.array([1,2,3,4,5,6])
indices = list([1,3,5])
print(test[indices])
which gives the correct answer : [2 4 6]
But I am tryi...
Malignity asked 28/2, 2019 at 16:27
2
Solved
I have made for this question an easier example of two arrays: The labelArray is a 1D-array has labels at indices which corresponds to the same indices of the nD-array someValuesArray. I get all in...
1
This question is about choosing the type of database to run queries on for an application. Keeping other factors aside for the moment, and given that the choice is between mongodb and elastic, the ...
Instigate asked 21/8, 2018 at 23:3
3
Solved
I have two matrix (same row and column): one with float values, which are grouped by indices in the other matrix. As a result, I want a dictionary or a list with the sums of the elements for each i...
2
Solved
I want to extract the 4th, 5th, and 6th column from a data table named dt
the following method works:
dt[, c(4,5,6)]
but the following doesn't:
a = c(4,5,6)
dt[, a]
In fact, the second me...
Dysarthria asked 12/3, 2018 at 2:29
5
I have a (large) dataframe. How can I select specific columns by position? e.g. columns 1..3, 5, 6
Rather than just drop column4, I am trying to do it in this way because there are a ton of ...
2
Solved
Suppose I
have a table with columns a, b, c, and d
want SELECT queries with combinations of these columns to be blazing fast
expect a to be in every query
don't care about slow UPDATEs and INSERT...
Cirilla asked 12/4, 2017 at 20:49
5
Solved
a = [1, 2, 3]
a[-1] += a.pop()
This results in [1, 6].
a = [1, 2, 3]
a[0] += a.pop()
This results in [4, 2]. What order of evaluation gives these two results?
Alban asked 13/3, 2017 at 10:47
4
Suppose I have a really big matrix of sparse data, but i'm only interested in looking at a sample of it making it even more sparse. Suppose I also have a dataframe of triples including columns for ...
Oleograph asked 23/8, 2011 at 16:37
2
Solved
In Julia you can use findmax or indmax to find the index of the biggest entry in a matrix. But if you have multiple entries with this maximum value, you get the index of the first one.
How can I ge...
1
Solved
I need to sort an array of arrays; the .sort method seems to work by
default. But what is a good way to sort by different indices of the
inner arrays?
The array to be sorted is outer larger array: ...
1
Solved
I have a fairly simple question, but can't find answer anywhere. I'm iterating over a range of slices, like this:
for index, arg := range os.Args[1:] {
s += fmt.Sprintf("%d: %s", index, arg)
}
...
2
Solved
I'm looking for a numpy function that will do the equivalent of:
indices = set([1, 4, 5, 6, 7])
zero = numpy.zeros(10)
for i in indices:
zero[i] = 42
Heilner asked 4/12, 2011 at 3:36
3
I am trying to take the following R statement and convert it to Python using NumPy:
1 + apply(tmp,1,function(x) length(which(x[1:k] < x[k+1])))
Is there a Python equivalent to which()? Here, ...
7
I need to find the indices of the k largest elements of an unsorted, length n, array/vector in C++, with k < n. I have seen how to use nth_element() to find the k-th statistic, but I'm not sure ...
3
Solved
How can I write a function to get the sum of the items in the given list between the indices a and b. For example give aList=[6,3,4,2,5] and a=1, b=3, the function should return 9. Here is my code:...
3
Solved
I have a list, let's say:
list_A = [0,0,0,1.0,2.0,3.0,2.0,1.0,0,0,0]
I would like to find the minimum and maximum indices of this list where list_A > 0, i.e. in the above example, it would b...
2
How to get indices of K smallest or largest elements in eaach row of a matrix in R?
E.g. I have matrix:
2 3 1 65 2
46 7 9 3 2
9 45 3 5 7
24 65 87 3 6
34 76 54 33 6
I'd like to get Indices matri...
1
Created two series: s1 and s2 from df.
Each have same length but differing indices. s1.multiply(s2) unions the mismatched indices instead of multiplying against them.
I just want to multiply entr...
Fortran asked 29/7, 2015 at 19:0
1
Solved
I noticed the "indices trick" being mentioned in the context of pretty-printing tuples. It sounded interesting, so I followed the link.
Well, that did not go well. I understood the question, but c...
Attractive asked 16/7, 2015 at 19:55
1
Solved
I am trying to use Pandas to represent motion-capture data, which has T measurements of the (x, y, z) locations of each of N markers. For example, with T=3 and N=4, the raw CSV data looks like:
T,...
5
Solved
Assume you have an array of values that will need to be summed together
d = [1,1,1,1,1]
and a second array specifying which elements need to be summed together
i = [0,0,1,2,2]
The result will...
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