menu

Recent questions tagged data-mining

1 vote
1 answer
image
How do I spar dates into datetime format in Pandas? There is a dataframe in which the Order Date column is a line. I want to translate it into datetime with the code below, but it doesn't work.dates'Datka' = pd.to_date ...
by lolaevv
asked Feb 24, 2021
3 votes
1 answer
How to cluster by array similarity? There is a dataset of arrays with certain elements. There are no more than 10 elements in the array. The total number of unique elements is more than 6000. The task: to ...
1 vote
1 answer
Programs for finding dependencies in data (data set)? Hi, I have a task: to find a program that receives a certain set of data, data set, and from this data the program shows what dependencies exist between columns and if t ...
by DariaVas
asked Feb 10, 2021
1 vote
2 answers
Am I interpreting the data correctly? I wondered how fast the coronavirus was spreading in different countries. I wrote a script that shows the average percentage of new infections compared to the previous d ...
7 votes
2 answers
Where to get interesting data sets for learning R?Good evening! Started to learn R. please Tell me where you can take interesting datasets (csv, json, xml, etc.) for learning R (statistics, data mining). All the same, in ...
by connor74
asked Aug 17, 2020
1 vote
4 answers
Why create a "min" framework?A lot of developers javascript, write your code and save it as jquery-2.1.4.min.js . What's the point? if now a very fast Internet connection and space on your hosting ve ...
by EVAS
asked Aug 17, 2020
13 votes
5 answers
Is there a service for data mining in python?Interested in the analysis of the data for processing using python. Power of laptop is not enough - all works long enough and often fall out of the error out of memory. W ...
5 votes
3 answers
Where to find student real practice in data analysis?Prompt, please, where is the best place to look for the actual practice of the data analysis of the student? Are there any resources of this kind? Interested in unpaid jo ...
by sometop
asked Jun 27, 2020
31 votes
3 answers
Where to look for work in the field of analysis of biological/medical data?Hello! Asked to give advice. I graduated at the faculty of "Fundamental science. Technical Physics" MGTU im. Bauman. Analyzed data in various companies, but the analysis ...
6 votes
6 answers
As using the age of the friends to determine the age of the user?Is in the csv user database is the following: vozrashchenie;возраст_его_друга_п1;возраст_его_друга_п2;возраст_его_друга_п3;vozrastnogo... The first problem - the data tra ...
by efremovaleksey
asked Jun 22, 2020
2 votes
1 answer
Where to get / buy American UPC database?Tell me, is there a single database in either shared or in the sale of c by binding of the product/ producer to barcode? ...
by greyhard
asked May 25, 2020
1 vote
2 answers
How to normalize low values of the predictors?Embody a recommendation system with binary ratings - 1 and 0. The formula of rating prediction, in accordance with the algorithm of SVD: r = mu + b_u + b_i + , where b_u ...
1 vote
1 answer
How to choose the "Key column" in the "Mining Structure" for Microsoft Analysis Services?Good day! There is a table of receipts of goods into the warehouse: Key the transaction Code (receipt of goods), Product code, The cost of delivery, The cost of sales. In ...
11 votes
1 answer
What is the most understandable book on Data Warehousing?Good time of day, What book on Data Warehousing best clear and the best? I would like something in Russian, but if you do not have it in English too. Thanks in advance! ...
by Oblomingo
asked May 16, 2020
6 votes
1 answer
How to use Data Mining for automatic dimensioning selling prices?Good day! I faced the task of reducing the time costs in marking the price on goods came in electronic invoices. There is a database of statistics on marked prices. Need ...
by alisichkin
asked May 16, 2020
16 votes
4 answers
The companies (in Moscow), you can start a career in data analysis (data science)?Hello I'm one of those 3-year-old "freaks" who decide to change something in your life, but don't quite understand how. The background in brief: my main work experience ...
11 votes
2 answers
How to start learning Data mining independently?Studying at the moment to be an economist studying the economic analysis. Recently became interested in this area as Data mining, the question that is before you begin to ...
by Zorohastres
asked May 15, 2020
2 votes
1 answer
How to identify the main cities in the world with a uniform coating?The challenge is to choose 2 - 3K cities around the world, the maximum number and that they are uniformly covered with inhabited surface. Do you know a ready base? If not ...
by Imbolc
asked May 15, 2020
8 votes
5 answers
What is the advantage of Python before Java for big data Analytics / machine learning?Most educational materials on the topic of Data Science using Python or R, but I would like big data Analytics / machine learning to use Java, because java is a lot more ...
by Arbala
asked May 12, 2020
1 vote
2 answers
How to gather information for the online project search places?Hello, Recently interested in this project zoon.ruWho thinks that? As you can gather even in 2 years as many institutions from coffee shops to car washes and all to categ ...
by das_hund
asked May 12, 2020