Questions tagged [data-cube]
56 questions
0
votes
1 answer
Deploying UDF (User defined functions) to SSAS using ADOMD.NET
I'm very new to this and kind of confused as to how I should setup my project in Visual Studio (2022) and how to deploy UDFs and Stored Procedures to a SSAS instance.
I already have a solution with a SSAS data cube project. The cube is deployed and…

Plaktil
- 1
0
votes
0 answers
How do I create a data cube on Postgres from an existing 2d table
Our database is in Aurora Postgres on AWS. I access it using psycopg2 in python. The data is such that each row represents an instance of an item being brought. There areI multiple columns such as the time_when_sold, item_name, item_category,…

insafian
- 21
- 1
0
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2 answers
Matplotlib: Creating a 3d cube plot
I am trying to learn how to create a 3D cube plot to visualize data. Here I am creating some mock data to represent sales of items. On the x axis, I am trying to plot the year, Y axis I am trying to plot the items sold, and the Z axis would have the…

LeGOATJames23
- 101
- 7
0
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1 answer
BIRT Report: I have performed Data cube operation. But want to group medicine with qty for each record
The sql query is as follows:
SELECT ROW_NUMBER() OVER() AS row_num,
v.INVOICE_DATE,
v.EMPLOYEE_ID,
v.PATIENTNAME_AR,
v.USER_LABEl,
v.OFFICE_ID,
v.ITEM_NAME,
v.ITEM_QTYSOLD
FROM
(
SELECT…

Luke
- 51
- 7
0
votes
1 answer
BIRT Report: How to add table borders in Data Cube
I have a report with the output as follows:
no Date Patid Patient Name Doctor Name Medicine Qty
1. 2 Feb 2023 100 Patient A Doc AB Adol 30
…

Luke
- 51
- 7
0
votes
0 answers
BIRT: I have grouped data using data cube but there are is not outline for the cross tab how to insert outline in cross tab
I have grouped data using data cube but there are is not outline for the cross tab how to insert outline in cross tab
Please specify the exact step

Luke
- 51
- 7
0
votes
1 answer
How to set Data cube config file?
I'm trying to work on a new project and I red about Data Cube that can really help me.
In order to use it and to try to work with it, I installed postgres as required on the official website:…

Ohads
- 63
- 1
- 1
- 6
0
votes
1 answer
Xarray most efficient way to select variable and calculate its mean
I have a datacube of 3Gb opened with xarray that has 3 variables I'm interested in (v, vx, vy). The description is below with the code.
I am interested only in one specific time window spanning between 2009 and 2013, while the entire dataset spans…

Nihilum
- 549
- 3
- 11
0
votes
1 answer
Datacube Xarray sort and select arrays by time
I have a datacube opened with Xarray, which has several variables and a time vector ("mid_date", dimension 18206) in format datetime64.
The variables are 18206 x 334 x 333.
The issue is that the time vector is not sorted at all, and I would like to…

Nihilum
- 549
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- 11
0
votes
2 answers
Can't select "Build Solution"
I am getting trouble to use Build solution in Visual Studio.
I was building data cube and I needed to use Build solution to finalize my project.
However, I couldn't find Build solution from the Build menu.
For example ....…

NBB
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- 6
- 14
0
votes
1 answer
SPARQL: Is there a way to pivot on a property?
I am querying a DataCube (RDF statistical data) that has 3 dimension and 1 measure. In this datacube, each observation is then composed of 4 statements (3 for the dimensions and 1 for the measure like the following exemple (that may be queried at…

dodecaplex
- 1,119
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- 10
0
votes
1 answer
1D interpolation optimization on 3D data cube
I would like to make a 1D interpolation on a 3D data cube in Python. I have 18 images taken at fiducial wavelengths. I want to make a 1D interpolation on each pixel to form a new image for 185 given specific wavelengths. My problem is a problem of…

Julien Drevon
- 322
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- 17
0
votes
1 answer
Extract 3 dimensional data from csv file in R
I am trying to extract my data from a csv file into R.
The data is currently formatted in the following:
,"[{time=2014-01-01T00:00:00, NDVI=0.3793765496776215}, {time=2014-02-01T00:00:00, NDVI=...
,"[{time=2014-01-01T00:00:00,…

eviep
- 17
- 5
0
votes
1 answer
BIRT: How to find average of derived measure in cross tab in spago BI?
I my BIRT Report i am using a data cube to show some data with the help of cross tab.In the cross tab i added a derived measure with the help of other measures.
Question:
How to calculate the average of that derived measure in the cross tab?
Please…
user6328945
0
votes
1 answer
Creating a HDF5 datacube in Python with multiple FITS files
I am currently struggling with a problem. I have 1500 fits files that contain 3800 x 3800 arrays. My objective is to create a single HDF5 datacube with them. Unfortunately I cannot provide with the fits files (due to storage problems). So far, I…