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Questions tagged [programming]

The tag has no usage guidance.

0
votes
1answer
15 views

Advice on choosing tools for web dashboard

I am working in a small sales company. Started with making relatively easy, small, static reports in Excel, but then it was required to make a lot of highly-customizable and adaptable reports, that ...
0
votes
1answer
54 views

Divide a column by itself with mutate_at dplyr

Hi I'd like to turn each non zero value of my selected columns to a 1 using mutate_at() ...
0
votes
1answer
16 views

Output of classifier.predict Tensorflow extract probabiltity

When I do a prediction with my DNN clasifier I get a dictionary like this. ...
3
votes
3answers
81 views

Tell me some things a data scientist/statistician needs to do that can't be done in R/Stata/SAS/SPSS [closed]

Why do I need to learn to program in python or Java and learn data structures? I can't think of a single thing statisticians/data scientists need to do that isn't built in as a package in R/stata.
1
vote
1answer
30 views

error length > 1 and only the first element will be used?

I'm new i data mining and R, and i'm working with a dataset and trying to remove the "white space" elements. i tried to create a function to do that. ...
-1
votes
1answer
52 views
1
vote
0answers
93 views

How to run Orange from the source code? [closed]

I'd like to contribute to Orange. To get used to the code, I tried to run the source code directly under Windows 10, so far without success. I have numpy and scipy installed, and the source code for ...
1
vote
0answers
9 views

Can data aggregation (and statistics) be done using an ETL solution?

I am doing a stock trend prediction model. I use MySQL and I have a table that has the following colums: date | open | high | low | close | volume For every day ...
0
votes
1answer
97 views

How to generate a sample from a generative model like a Restricted Boltzmann Machine?

I am learning about the Boltzmann machine. So far, I have successfully written a code that can learn the coefficients of the energy function of a Restricted Boltzmann Machine. Now, since my model is ...
2
votes
1answer
275 views

How to implement a Restricted Boltzmann Machine manually? [closed]

I am learning about Restricted Boltzmann Machines and I'm so excited by the ability it gives us for unsupervised learning. The problem is that I do not know how to implement it using one of the ...
1
vote
2answers
60 views

Best programming language [closed]

I have a masters in pure statistics. I have no knowledge of any programming language. Which is the best programming language that I should learn about and will help enhance my career in data analysis. ...
1
vote
1answer
32 views

Where to upload a source text to datamine matching contents with constraint?

I am even unsure if this is the correct category. I have very minimal programming knowledge. I am curious how can I get started for a project I have in mind. I want to upload a file to a webcrawler ...
3
votes
1answer
739 views

What can functional programming be used for in data science?

In my next academic year at university, I have the option to take a course in Advanced Functional Programming. A basic description of the course is this: "You’ll focus on a number of more advanced ...
1
vote
1answer
60 views

I only have microsoft office, how can i write code to manipulate relational data sets?

At work, I am in a role that does not have a lot of computer permissions. I do have the Microsoft office suite. I have skills with programming and would like to be able to use my experience to do more ...
1
vote
0answers
29 views

I want to learn how to construct data science packages on top of core packages. Is there a list of excellent data science packages I can learn from? [closed]

Short question I want to learn how to construct data science packages on top of core packages. Is there a list of excellent data science packages I can learn from? Long question I recently came ...
-1
votes
1answer
620 views

Graphically Representing Joint and Marginal Distributions

I am using R. Let us consider for the moment the mtcars data that is built in to R. I may generate a scatterplot of this data using for example, the code ...
-2
votes
1answer
1k views

Python ,R or matlab for programming very large data set? [closed]

I have a very large panel data set (around 50m observations, size around 3G). Now I want to implement an algorithm on it. The algorithm is basically loops over observations. Ideally I want to use ...
12
votes
6answers
1k views

Is Excel sufficient for data science?

I'm in the process of preparing to teach an introductory course on data science using the R programming language. My audience is undergraduate students majoring in business subjects. A typical ...
1
vote
2answers
303 views

Best Programming Language for Data Science [closed]

I'm learning JS, HTML and CSS, but I doubt JS is very good at Data Analysis. So, what would you guys recommend me learning to start my "career" in Data Science? What's the best programming language ...
1
vote
2answers
691 views

Does SQL Server support the Poisson distribution?

I am trying to do some work that is primarily based in SQL Server. I cannot seem to find a native function to SQL that supports the Poisson distribution. Has anyone had success with applying Poisson ...
4
votes
1answer
302 views

Practical use of oop in R

R supports a wide range of OOP designs like s3,s4,RC and others via packages,and it's a bit overwhelming to decide on which to use and a more basic question that I have is when and where do you use ...
1
vote
1answer
208 views

Finding levels in an array of floats

Before anybody asks please let me confirm this question is related to trading technical analysis. The problem is quite simple, but I lack the scientific background required to solve it. Data comes ...
-2
votes
2answers
424 views

Do I need a strong programming background to become a data analyst? [closed]

I'm thinking about becoming a data analyst, and I'm wondering if programming knowledge is a must for this. I'm fairly strong with maths, but I have very little programming experience. Do all data ...
1
vote
1answer
66 views

Which programming languages should I use to integrate different analysis software packages?

I am currently writing a package to streamline data analysis for a research lab. There are several different analysis software packages that we use, based out of unix, matlab, and (rarely used) python....
2
votes
3answers
1k views

How to automate left join of multiple data frames with single data frame one by one in R

i have 206 data frames named after country(FRANCE,GERMANY,HONGKONG...) with same 37 variables in these 206 files and another data frame name pf with 9 variables. i want to do left join of these 206 ...
-2
votes
1answer
292 views

Numpy .eye() in Python 3

I'm using numpy.eye(N,M, dtype = int) to print a matrix whose diagnol elements are 1 and rest of the elements are 0. Code: ...
1
vote
2answers
2k views

Technical question: how to build exe from python code?

I have a predictive model in IPython notebook. How can I create dll or exe from it? And is it possible to save in executable file already trained model? I want a program with very simple syntax(X - ...
0
votes
2answers
160 views

From where should I start Machine Learning? [closed]

I want to know how to start from scratch for Machine Learning. Also which language is best for implementing its algorithms or developing future applications based on it. Thanks!
1
vote
1answer
776 views

How can I vectorize this code in R? Maybe with the apply() function?

I am really struggling to replicate the output of the dist() function in R code without using 1 or 2 for loops. (If you're wondering why I'm doing this, it's so that I can play around with the ...
36
votes
11answers
38k views

Data Science in C (or C++)

I'm an R language programmer. I'm also in the group of people who are considered Data Scientists but who come from academic disciplines other than CS. This works ...
40
votes
9answers
51k views

IDE alternatives for R programming (RStudio, IntelliJ IDEA, Eclipse, Visual Studio)

I use RStudio for R programming. I remember about solid IDE-s from other technology stacks, like Visual Studio or Eclipse. I have two questions: What other IDE-s than RStudio are used (please ...