How to write a spark function ?

I have a function written in SQL and I would like to write it in Spark how should I proceed. Thanks. The function is like this: CREATE OR REPLACE FUNCTION grid( widthx double precision,...

04 May 2018 4,626 3 View

Bytes data type in Hive ?

I have a column in table which values are like this : 0102000020E610000005000000FFFFFF, their data type is BYTE however Hive doesn't seem to support a BYTE type. What should I do ?

04 May 2018 2,205 3 View

Hive UDF Error ?

I have the function below which is supposed to calculate azimuth it has to do the same job as ST_Azimuth of PostGIS in Postgresql. (st_azimuth.png) When I execute the function in Java I get a...

04 May 2018 5,700 0 View

How to define big data ?

In the relational databases the data sets are always in a pristine condition, making data that way take a lot of time and effort which make the task of handling a big volume of data hard. As an...

03 April 2018 8,841 1 View

Can we talk about intensive computing when the size of the data is not huge ?

I would like to know if when talking about intensive computing it means that the data that we are working with is big ?

03 April 2018 1,746 3 View

How to resolve a computing intensive problem ?

In order to resolve a computing intensive problem I'm working with a lot of recursive function, whoever i don't get a good answer in a short amount of time and sometimes I do get stack overflowing...

03 April 2018 5,736 2 View

How to cast a problem to make it suitable for a distributed execution ?

I have an algorithm which is running in a sequential way however, I don't get the desired performance especially when it comes to execution time and i would like to remodel it to make it suitable...

03 April 2018 8,682 3 View

Intersection spatial big data ?

How to do intersection between a point (x, y) and a table containing polygons (cells) to match the points to the cells in the context of Spatial Big Data ?

01 February 2018 475 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

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01 March 2021 3,905 5 View

How to Balance Bench work with Reading and Writing?

I am a second-year grad student. I am finding it difficult finding time to read literature and write (things like qualifying exam, thesis, grants). I find myself so busy with bench work that I...

01 March 2021 3,325 4 View

Which software is better to write systematic review paper?

We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...

27 February 2021 6,296 1 View

How can we raise the figure when we writing a paper with Latex ?

Hi, everyone. I'm a starter to write a paper by Latex. But I have some difficulty using it. I'm writing the paper with 2 columns. And, there is one figure that occupies the 2 both-sides. I want to...

26 February 2021 3,738 3 View

What are the important tips for writing review articles?

Important tips for writing a good review articles

24 February 2021 8,544 6 View