Wednesday, September 14, 2016

Monday, August 15, 2016

TABLEAU 9.0 Free Mock Test -(Available Now Visit -www.tableauinfo.com)

Free TABLEAU Mock Test -Available Now Visit -www.tableauinfo.com

Register Today !

Click Here -->http://www.tableauinfo.com/tableau-online-mock-tests.html

Author of MocK Test
Ritesh Bisht
TABLEAU Desktop Qualified Associate 2016
https://www.linkedin.com/in/ritesh-bisht-22238913?trk=hp-identity-photo



Monday, August 1, 2016

TABLEAU 9.0 Desktop Qualified Online Mock Test (Sample Papers )-Register Today


Tableau Online Mock test is something very rare .Hence we are coming up with this .


  1. Test prepared by TABLEAU Desktop Qualified professionals.
  2. Yes it is Free Version
  3. Time Duration - 1 hour
  4. Questions - 17
  5. Answer and Solutions will be provided on Demand basis.
  6. Hurry Limited Seats !


Please go through the Video Below.

https://www.youtube.com/watch?v=qr3aPqZyTwg&spfreload=5 (Steps to Register)

Steps to Register (www.tableauinfo.com   Find the same @ Home Page with other exciting info)


  1. Subscribe to https://www.youtube.com/channel/UCNxLAYEX1HICu97GhYzKqCw
  2. Email us below details @ Support@tableauinfo.com with your 
  • Name
  • Linkedin Profile Link
  • Experience on Tableau (Years/Months)
  • Preparing for TABLEAU Desktop Qualification Exam ? Yes/No
  • Demo -->https://www.onlineexambuilder.com/tableau-desktop-9.0-qualified-associate/exam-90067

Author of Mock Test
Ritesh Bisht
https://www.linkedin.com/in/ritesh-bisht-22238913
TABLEAU 9.0 Desktop Qualified Associate ,2016




Tuesday, July 26, 2016

Saturday, July 23, 2016

How to read a box plot/Introduction to box plots ?

How to read a box plot/Introduction to box plots


Simple explanation of box plot (imp for TABLEAU)
Box plots are drawn for groups of W@S scale scores. They enable us to study the distributional characteristics of a group of scores as well as the level of the scores.
To begin with, scores are sorted. Then four equal sized groups are made from the ordered scores. That is, 25% of all scores are placed in each group. The lines dividing the groups are called quartiles, and the groups are referred to as quartile groups. Usually we label these groups 1 to 4 starting at the bottom.

Definitions

Median
The median (middle quartile) marks the mid-point of the data and is shown by the line that divides the box into two parts. Half the scores are greater than or equal to this value and half are less.
Inter-quartile range
The middle “box” represents the middle 50% of scores for the group. The range of scores from lower to upper quartile is referred to as the inter-quartile range. The middle 50% of scores fall within the inter-quartile range.
Upper quartile
Seventy-five percent of the scores fall below the upper quartile.
Lower quartile
Twenty-five percent of scores fall below the lower quartile.
Whiskers
The upper and lower whiskers represent scores outside the middle 50%. Whiskers often (but not always) stretch over a wider range of scores than the middle quartile groups.

 

Interpreting box plots/Box plots in general

Box plots are used to show overall patterns of response for a group. They provide a useful way to visualise the range and other characteristics of responses for a large group.
The diagram below shows a variety of different box plot shapes and positions.

Some general observations about box plots

  • The box plot is comparatively short – see example (2). This suggests that overall students have a high level of agreement with each other. 
  • The box plot is comparatively tall – see examples (1) and (3). This suggests students hold quite different opinions about this aspect or sub-aspect. 
  • One box plot is much higher or lower than another – compare (3) and (4) – This could suggest a difference between groups. For example, the box plot for boys may be lower or higher than the equivalent plot for girls. Follow this up by looking at the Items at a Glance reports.
  • Obvious differences between box plots – see examples (1) and (2), (1) and (3), or (2) and (4). Any obvious difference between box plots for comparative groups is worthy of further investigation in the Items at a Glance reports. 
  • Your school box plot is much higher or lower than the national reference group box plot. This also suggests an area of difference that could be explored further in the Items in Detail reports and through consultation.
  • The 4 sections of the box plot are uneven in size – See example (1). This shows that many students have similar views at certain parts of the scale, but in other parts of the scale students are more variable in their views. The long upper whisker in the example means that students views are varied amongst the most positive quartile group, and very similar for the least positive quartile group. The Items in Detail reports can be used to explore this further.
  • Same median, different distribution – See examples (1), (2), and (3). The medians (which generally will be close to the average) are all at the same level. However the box plots in these examples show very different distributions of views.
    It always important to consider the pattern of the whole distribution of responses in a box plot. 

Sunday, July 10, 2016

Frequently Asked Questions for TABLEAU Certification


Watch my website for detailed preparation -->www.tableauinfo.com


NOTE: My new Tableau Certification channel section is released -->http://www.tableauinfo.com/tableau-videos.html

Hello Everyone ,
Got many questions , trying to answer all. If you have more email to bisht.ritesh@gmail.com

Watch official website blog having updated content -->  Tableau Info Blog on Tableau Desktop Qualification
1. How much did the entire ordeal cost? $250
Exam Format
Time Limit:
Passing Score: Content Version: Number of Questions: Question Format: Language(s) Offered: Delivery Platform:
Two hours (Please plan for extra time for online exam setup)
75%
9.0
16 knowledge-based (1 point each) and 18 hands-on (3 points each) Multiple choice, multiple response, true/false, matching
Many questions require hands-on work in Desktop to determine the correct answer. Access to the Desktop 9.0 application [con guration speci c to language of exam] will be provided during the exam.
2. How to get the necessary material(if any)? The pdf provided by TABLEAU is the best way to cover the topics.http://mkt.tableau.com/files/Desktop-9-QA-Prep-Guide.pdf
This is not only topics but link to various Videos & Knowledge Base coming from TABLEAU website itself .If you want to deep-dive , then there are Online trainings . I recommend from TABLEAU only (otherwise there are many) , they can provide you some material as well . Training is fully Hands On.But if you ask me , if we can try for certification without TABLEAU formal training , I would say "Yes" ,but you have cover everything from this pdf link to Videos & KB.
3. What is the process?
do we required to have practical experience(live working experience on Tableau) to take the certification exam
Definitely you need some experience ,9 months to 1 year should be good.
.
4 Which topics have more weight-age ?
Cover all the topics , but be very good with Calculations & Stats because it can be time consuming if you are not good at that. Yes both have v good weightage as well. But questions will come from all the corner.We definitely require working experience .Do not try without that. Experience of 1 year is good to have .
5. LOD and Table calculation how tough are question from these sections
Don't expect highly complex LOD questions but you should be clear with the LOD concept. That will help.
6. I have followed all the Tableau learning video tutorial from Tableau and have worked on creating same visualizations, will this be enough or I need to follow some other resources.
As fas as you cover everything from topics.http://mkt.tableau.com/files/Desktop-9-QA-Prep-Guide.pdf,itshould be good enough with Lot of Hands On Videos.If you think you are not strong in any particular topic . Go ahead and watch Youtube videos as well, there are many.
7. And also let me know what was your preparation strategy and how long did you prepare for certification.
a) Cover Everything http://mkt.tableau.com/files/Desktop-9-QA-Prep-Guide.pdf, each mark count and each $ count as well (250),
you never know if you miss by 1 mark.
b) Don't think that you know 80% and you can pass, remember that you need to score 76% which is a high score hence be safe and cover 100% topics.
c) RAREVVV IMP Take FREE TABLEAU Free Mock-test one created by Tableau Official Doc and the other created by Desktop Qualified Associates

http://www.tableauinfo.com/tableau-online-mock-tests.html
c) During the exam if you stuck in one quest , just leave it and bookmark it , leave it for the end.
d) Use good network , I would even suggest office network ,Exam is totally Online from your laptop/macbook.
e)1 mark question would be knowledge base & 3 marks questions will be hands on.
f)16 knowledge-based (1 point each) and 18 hands-on (3 points each) Multiple choice, multiple response, true/false, matching
g) So if you know all the topics , 1 point each questions will take no time and you get lot of time for remaining questions.
8. And if possible kindly share some sample questions from the test.
.
http://mkt.tableau.com/files/Desktop-9-QA-Prep-Guide.pdf
You can find sample questions & answers at the end , yes questions are pretty much like that.

9.5 important points http://www.tableauinfo.com/warning---know-it-b4-you-give-tableau-desktop-qualification-associate-exam-.html

10.I have created a separate Video Section for the Tableau Certification related videos, please check this page and subscribe to my youtube channel to stay ahead .

11.Yes ,Finally ,Free Online Mock Test here --> http://www.tableauinfo.com/tableau-mock-test-part-2.html

Ritesh
TABLEAU  Desktop Qualified Associate 
http://www.tableauinfo.com/who-am-i.html

Saturday, July 9, 2016

Filters Vs Parameters in Tableau: When to Use Them


When building a dashboard in Tableau, the analyst may want to filter many worksheets with a single filter selection. Tableau has three ways of making this possible:global quick filtersfilter actions, and parameters.
Global quick filters will filter each worksheet on a dashboard as long as they each contain that dimension. Filter actions use a "control" worksheet to filter other worksheets on the dashboard based on the selected elements in that sheet. Parameters allow the user to use what would otherwise be a quick filter as a filter if the dimension is different on each sheet.
In this post, we will explore the advantages and disadvantages of using each filter type and how to approach different use cases that call for dashboard filters.
Global Quick Filters
Advantages
Global quick filters are very useful when creating dashboards that contain worksheets that all use the same data source. For example, in a dashboard that displays the dataset in both text and visual forms, global quick filters give the flexibility to present the filter in a variety of formats: single value dropdown, multiple values list, wildcard match, etc. They also allow the user to show an aggregation of all marks with the "(All)" filter. 
Disadvantages
Of course, the main disadvantage of global quick filters is that if the analyst has a dashboard with worksheets that each use a different data source, they do not work. This is especially problematic when the component worksheets in a dashboard are displaying similar concepts but are built using datasets optimized for the specific type of worksheet the user needs (table, bar chart, map, etc.). In this case, even if the datasets all have the same columns and data types, the analyst is forced to find an alternative solution. 
Filter Actions
Advantages
Filter actions are best used when the user should interact with a specific sheet that acts as the "control." Examples of this may be a text table that lists product categories or a bar chart that lists sales numbers. In this case, the user may want to see other information about specific marks in these worksheets. By setting up filter actions, users can filter other worksheets in a dashboard by selecting the relevant marks.



Filter actions address the problem presented by global quick filters and the use of different datasets. Even if all the worksheets in a dashboard use different datasets, filter actions allow the analyst to assign connections between two fields in different datasets. Analysts can assign a single field connection, multiple fields, or all fields. This Tableau Knowledge Base article demonstrates how to set up the filter and the data relationships.



An example of this might be a text table of product sales in a given sales period. The user wants to see the various worksheets on the dashboard filtered by a specific product or products. In the product sales table, the user can CTRL-click the products they want to see and the other worksheets will be filtered accordingly. This can even work across dashboards.
Disadvantages
While filter actions allow the analyst to filter different datasets with a single click, it takes away the variety of ways the data can be filtered that global quick filters allow. The user must interact with the control worksheet to filter the other sheets connected to it. A simple quick filter (not a global one) that filters the control worksheet will not propagate to the other worksheets in the dashboard. For dashboards where a user might want to filter all worksheets by a given dimension, e.g., date or geographical region, a global quick filter or parameter would be better. 
Parameters
Advantages
Parameters address the problems of both global quick filters and filter actions: they allow the user to use a single dropdown or list that affects all connected worksheets in a dashboard and allow the analyst to connect the filter across datasets. Essentially, they act as an independent filter that can then filter the various worksheets. We won't cover how to set them up (they are linked to above) but by using parameters, analysts have greater power over how their worksheets are filtered. As long as the data types match, filters on each worksheet can be controlled by a parameter.
Disadvantages
Unfortunately, parameters have their own limitations. Whereas global quick filters have seven ways to be represented on a dashboard, parameters only have four. Parameters cannot make multiple selections in a filter, e.g., with a list of checkboxes, and they do not have the "(All)" aggregate choice of quick filters. While the inability to select multiple items in a filter cannot be circumvented, the data can be structured to include an "All" row that aggregates the relevant data for that mark. This is not optimal, since the analyst must make this consideration when preparing their data for use in Tableau, but it is the only workaround we have come across.
Conclusion

We have covered the three types of dashboard filters in Tableau and their strengths and weaknesses. As we continue to use Tableau in future projects, we hope to find solutions to some of the shortcomings of these filtering methods. If you have any questions or have a suggestion to work around the challenges we've written about, feel free to leave them in the comments below!