[data-visualization] Forum Topics

help me asp..... In this assignment you have to write functions (in python) that applies various preprocessing techniques which are popular in Natural Language Processing (NLP). For this purpose, you are supplied with a Text Dataset (“corona_data\test_small.tsv”) and you have to process that dataset using the following techniques: 1. Tokenization …

# What Are Voronoi Diagrams? # Voronoi Diagrams are an essential visualization to have in your toolbox. The diagram’s structure is a data-driven [tessellation](https://en.wikipedia.org/wiki/Tessellation) of a plane and may be colored by random or to add additional information. ## Learn the Lingo ## The set of points that generate the …

HI guys, I wonder if you can help me at all. I'm going to be involved in a "data visualization" project, meaning that I have to find a good way to visualize some data. What do you mean I hear you say? Well, we have some data and we have …

Hi everyone, I am new to this concept. I need your help for Grouped Categories Multi Level Drill Down Bar Chart. Example: Category 1: Cars Category 2: Bikes ..... Category n: Buses Category 1: Cars i)Minimum sold cars ii)Average Sold Cars iii)Top Sold Cars First Drill Down: Here, I need …

Hi there, I hope I could find help about plotting graphs. My problem is I have a device which alows me collect some data and transfer it throught USB. Then I will interpret that data using c or c++. I would like to plot such data on a window on …

I was wanting to create something very specific that I have yet to run into yet googling the topic. I want to create a radviz graph with many parameters, which is well documented. I'll give you an example that might help clarify what I'm trying to do. So here are …

I am planning to create a program with some graphical representation of data from SQL database. What language to use to create graphs?

This is an project title for a c++ project given by my collage, Plz can anyone guide me with some good reference books/journals for data visualization and word image identification using image processing so i can begin my project with some kind of background study. Any help is appreciated

Hi guys, I am trying to create a piece of software that can incorporate the attendance of a student and show it in a graph style layout on screen. I have a ''TDBgrid'' which i am using to represent the names from my database but i am unsure on how …

A while back I got help on this issue I was having. This was the output that I was looking for:  **What it shows:** - Shows length of all chromosomes - Shows position of a qgrs on a chromosome [multiple qgrs on a chromosome] However, when I needed …

Dear friends, I am working on representing data in graphical view. Initialy i decide for column chart, in which each column represent a value associated with a variable. The strange thing is that values ranges from 1 to 100000 or ever more. Basically they are representations of types of data …

Hi there. I am trying to create C++ code that allows User Input in selecting a variety of fields, then it will calculate many different angles and show the users the results, as well as a graph. However, it has been suggested to us by our lecturer that it may …

Hello I'm having Trouble here in my ms chart.  as you can see the chart in the right side the secondary axis i want it to be fixed in the line of the primary axis in the left side Public Sub Chart_BU_GP_vs_Target() With Chart_EBU_GP_vs_Target .Series.Clear() .Legends.Clear() .ChartAreas("ChartArea1").AxisX.MinorTickMark.Enabled = …

I have created a csv file, and display data from database into that file, how can I add a pie chart to that file, this is the code which I made: File file = new File("C:/Users/MY TOSHIBA/Desktop/chart.CSV"); Writer output =null; output = new BufferedWriter(new FileWriter(file)); Connection con = DriverManager.getConnection("jdbc:oracle:thin:@ 127.0.0.1:1521:XE","username","password"); …

Hi All, Quick one, I am calling a web service that returns a dataset but the company doesn't know what structure is in the dataset anymore as the original programmer has left. The webservice code calls a stored procedure that they can't access. Is there anyway to call the webservice …

roll no. name 2/12/2012 14/12/2012 23/12/2012 12 james 56 90 88 23 philip n/a 99 76 45 rosy 55 n/a 85 6 peter 59 74 45 13 sam 69 73 n/a this data i have in excel sheet,i want to write a vba code that depicts individual student's performance in …

Hi! I have been using igraph to generate graphs representing social networks (i.e. people are represented by nodes/vertices and connections between people are represented by edges). This has been going well, and I've managed to plot these relationships with some success. My question: Can I associate a 2-D position with …

Hi, i want to create a pie chart in my website by taking values from database. I should display the top 10 most purchased product in the form of pie chart in my website. But i dont know how to do it. I have no clue how to start. Please …

Hi, I am not sure if I am posting in the appropriate forum...but i have to generate some task graphs for a research project that I am currently working on. Please suggest what software is best suited for this job, and other methods if any. The project invloves Scheduling algorithms …

Question: Does anyone have any recommendations that are likely to keep a large database healthy/speedy? I'm designing a database that is going to retrieve around thirty million data points a year, up to around three hundred million to a billion in a few years time when all of the sensors …

Dear all, I am using python and trying to plot the large scale of data as follows. A B C D E 1 2 4 5 6 2 3.1 5 1 8. 3 5 5 6 10.1 4 8 9 7 13 5 11 13 12 6 18 19 Just …

Hi, I have a file from the client which is a text file. I have to decode the file to a graphical representation. Is there any way I can do it? Thanks

I have created a Column chart and Pie Chart using silverlight 4. but now i want to implement a Stacked Chart. But I have no Idea to implemnt it. here is my data repository if anyone can please help.. [code] public class DataList { public string SbuName { get; set; …

Hi, I'm building a clustering algorithm and need to visualize how data is distributed and relationed. For this, I'm thinking in histograms (numerical and categorical data) and scatter plots. If possible, a 3D like plot like [url]http://www.opendx.org/inaction/datamining/images/original/mci3.jpg[/url] would be nice, but is not required. I'd like to be able to …

Hi, I have a web form. On it I am generating a gridview through a stored procedure. Now it has it's DataSource set to dataset object ds. After generating this gridview. I want to generate an xls file. The code for that is correct. But since I am calling a …

Guys i need help in histogram report.. My histogram report didn't show the data in the database.

Hey guys, Tried doing a search on this, and couldn't figure out if anyone had posted it before. Basically, my question is this. I have a large python pipeline that outputs data to be compared in an ordered fashion where comparable entries are to overlay one another. For example: Entry …

[QUOTE] I want to have two classes one for creating the dataset as a factory class and the other is my Dataset class. factory class could read data from files or memory address and also it can create random data and finally returns a dataset. first i want to implement …

hi! I have a datatable ,I need a linechart shows 2 value from datatable(like velocity vs distance) and their date.But I cann not achieve this is my code public void grafikOlustur(LineChart lc_sorgu, DataTable dt) { lc_sorgu.Graphs.Add(new LineChartGraph()); string[] b = new string[dt.Rows.Count]; for (int i = 0; i < dt.Rows.Count; …

I have a vb .NET 2005 form that needs to load data based on a selected month by the user. Because there is a large amount of data in the table (60k+ records per month) it is taking the query a long time to pull the dataset back and populate …

hi! I have a datatable ,I need a linechart shows 2 value from datatable(like velocity vs distance) and their date.But I cann not achieve this is my code public void grafikOlustur(LineChart lc_sorgu, DataTable dt) { lc_sorgu.Graphs.Add(new LineChartGraph()); string[] b = new string[dt.Rows.Count]; for (int i = 0; i < dt.Rows.Count; …

Hello friends! I've been playing around with the MS Chart class type (System.Windows.Forms.DataVisualization.Charting) and have a situation where I would like to know how to code a query of my data using LINQ. The data I'm playing with is the PowerBall drawings data that is updated each drawing: [URL="http://www.powerball.com/powerball/winnums-text.txt"]http://www.powerball.com/powerball/winnums-text.txt[/URL] I'm …

Hi all, Looking through the more popular visualization packages for Python, it seems like it is very difficult to specify a network with absolute length values for the edges. Example: Create 4 nodes: a, b, c, d Create edges between all nodes: a>b, a>c, a>d, b>c, b>d, c>d This is …

Hello to all, well i m in a big problem hope you can help me out.i m currently doing my B.E project & in that i have to show certain representation of the data for comparison purpose. i have just found one software called as dundas but even thats not …

I am trying to use a clientdataset without an associated Table. I am attempting to extract and edit data from a Cad program. The Cad program has an interface in which the user selects specific entities within the Cad file (lines, circles, text etc) and provides basic information and attributes …

HI I got an error once I i run below coding,it give me error messages as No row at index 0.Pls help me slove this probelm.I think there is no row is datatable,So i want to know how to add row before it populate from data. DataTable data = new …

Can some one tell me how to plot a contour map of the height of the earth surface?

Hi everyone, i am a newbie in ASP.NET. I currently working with tonnes of data obtained from the machines, by means to categorize it and display it in the form of graph and chart. The data source will be just the text files generated by the machine each hour, so …

Hi,I hava proj wherien I connect to ACCESS via VB and retreive data.Now I need to represent the data in flowcharts or with some other graphics... how do I approach this props....

Have a device that identifies the presence; or lack, of a specific sound frequency. What would be useful is to have that information mapped. Rendered graphically and/or a quantitative proof. Ultimately to map a specific area identifying locations where the signal was detected as well as strength. need help converting …

Hi everyone. I am a very new in this forum!! I create a little code in c to generate a time series!! Is a file .out, and I can´t open it in an Spreadsheet, opens automatically on Word Processor, even when I try to open from the Spreadsheet [QUOTE] 1 …

Hi all... I would like to create dynamic graphs for my web app. financial project...the charts should be flexible and changeable according to financial data (ratios) retrieved from the database (all stored in a datagrid)...Any idea what i could use ??