Questions tagged [processing]
The processing tag has no usage guidance.
17
questions
3
votes
1answer
44 views
Storing Large dataset for processing and analysis of data
I am new to data engineering and wanted to know , what is the best way to store more than 3000 GB of data for further processing and analysis ? I am specifically looking for open source resources . I ...
1
vote
1answer
14 views
Do I load all files at once or one at a time?
I currently have $1700+$ CSV files. Each of them is in the same format and structure, give or take a row or possibly a column at the end. Each CSV is $\approx 3.8$ MB.
I need to perform a ...
0
votes
0answers
10 views
Generating prediction when adding new rows into a relational dataset
There is a PostgreSQL table that I regularly update with new book reviews. Meanwhile, I also have trained a Tensorflow model that takes book review text and return a predicted book review category (an ...
1
vote
0answers
68 views
CycleGAN vs. AutoEncoder for transforming sketches into images
I'm playing around with the use of deep learning on images and done quite works : colorizing black and white images for example, or maybe fixing old damaged photos.
Today I want to tackle a new ...
3
votes
2answers
77 views
Optimization of pandas row iteration and summation
i'm wondering if anyone can provide some input on improving the speed and calculations of a pandas result.
What i am trying to obtain is a summation of IDs in one table (player table) based on each ...
0
votes
2answers
1k views
Specifying number of threads using XGBoost.train
When using the xgboost.train() function, all the threads are used. I would like to use a specific amount. Unfortunately, this function does not accept the ...
1
vote
1answer
891 views
Gunicorn workers timeout
I'm using Flask where i load some pre-trained machine learning models once. I'm also using Gunicorn usually with 2 or 4 workers to handle parallel requests.
Every request contains some texts that i ...
6
votes
1answer
326 views
How to split natural language script into segments?
I have a bunch of .txt and .srt files extracted from a MOOC website, they are the scripts of the videos. I would like to segment the scripts into parts such that each part falls into one of the ...
2
votes
1answer
39 views
Meltdown patch impact on data processing speeds
The patch for the Meltdown vulnerability disables speculative execution, which will impact all processing activities. The degree of impact is highly dependent on the type of processing being done. Is ...
4
votes
1answer
39 views
Alignment of square nonorientable images/data
Another post where I don't know enough terminology to describe things efficiently. For the comments, please suggest some tags and keywords I can add to this post to make it better.
Say I have a 2D ...
4
votes
2answers
1k views
Cheat Sheet of UNIX commands for Data Science [closed]
I was looking for a cheat sheet of UNIX commands, which are specifically usable for data science. I mean an introduction to very basic commands (starting from cd, <...
0
votes
2answers
82 views
SAS PROC means (two variants together)
PROC means data=d mean;
var a;
class b; var a;
run;
I want to perform the "PROC means" for continuous "var a":
1) in general and
2) by classes.
But it performed by the classes only.
How to make ...
2
votes
3answers
981 views
OCR / Text Recognition and Recovery Problem
I am working on a research project that deals with American military casualties during WWII. Specifically, I am attempting to construct a count of casualties for each service at the county level. ...
3
votes
1answer
1k views
Pre-processing (center, scale, impute) among training sets (different forms) and the test set - what is a good approach?
I am currently working on a multi-class classification problem with a large training set. However, it has some specific characteristics, which induced me to experiment with it, resulting in few ...
1
vote
2answers
2k views
Running huge datasets with R
I'm trying to run some analysis with some big datasets (eg 400k rows vs. 400 columns) with R (e.g. using neural networks and recommendation systems).
But, it's taking too long to process the data (...
3
votes
1answer
86 views
Is it possible to automate generating reproducibility documentation?
First, think it's worth me stating what I mean by replication & reproducibility:
Replication of analysis A results in an exact copy of all inputs and processes that are supply and result in ...
15
votes
2answers
3k views
What is the difference between Hadoop and noSQL
I heard about many tools / frameworks for helping people to process their data (big data environment).
One is called Hadoop and the other is the noSQL concept. What is the difference in point of ...
