TOP 8DATAANALYSISTOOLS

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OPEN REFINE• OpenRefine (formerly Google Refine) is a powerful

tool for working with messy data: cleaning it;

transforming it from one format into another; and extending it with web services and external data.

• OpenRefine can help you explore large data sets

with ease. For eg.

Cleaning up inconsistent spelling of terms (i.e.

"USA", "U.S.A", "U.S.", etc).

Removing duplicate rows

Extracting and cleaning values for dates

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NODE XL• NodeXL Basic is a free, open-source template for

Microsoft® Excel® 2007, 2010, 2013 and 2016 that

makes it easy to explore network graphs.

• NodeXL Pro offers additional features that extend

NodeXL Basic, providing easy access to social

media network data streams, advanced network

metrics, and text and sentiment analysis, and

powerful report generation.

• Features: Graph Metric Calculations, Flexible import/export, Zoom and Scale, Dynamic Filtering etc.

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TABLEAU PUBLIC• Tableau democratizes visualization in an elegantly

simple and intuitive tool. It is exceptionally

powerful in business because it communicates insights through data visualization.

• Tableau Public's million row limit provides a great

playground for personal use and the free trial is

more than long enough to get you hooked.

• Tableau's visuals allow you to quickly investigate a

hypothesis, sanity check your gut, and just go explore the data before embarking on a treacherous statistical journey.

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KNIME• KNIME is an open source data analytics, reporting

and integration platform.

• Use KNIME for effortless access to all of your data;

apply powerful analysis and statistics; visualize

and create compelling reports – for free.

• Additional plugins allows the integration of

methods for Text mining, Image mining, as well as

time series analysis.

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RAPID MINER• RapidMiner empowers enterprises to easily

mashup data, create predictive models and

operationalize predictive analytics within any business process.

• It supports all steps of the data mining process

including data preparation, results visualization,

validation and optimization.

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WOLFRAM ALPHA• Wolfram Alpha is a computational knowledge

engine.

• It is an online service that answers factual queries

directly by computing the answer from externally

sourced curated data, rather than providing a list

of documents or web pages that might contain

the answer as a search engine might.

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GOOGLE FUSION TABLES• Google Fusion tables is an incredible tool for data

analysis, large data-set visualization, and

mapping.

• Filter and summarize across hundreds of

thousands of rows.

• Then try a chart, map, network graph, or custom

layout and embed or share it.

• Collaborate! All your data organization is automatically saved and stored in Google Drive

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SOLVER• Solver is an optimization and linear programming

tool in excel that allows you to set constraints

(Don't spend more than this many dollars, be completed in that many days, etc).

• You can use Solver, for example, to determine the

most efficient shipping routes, maximize

income/sales/etc., or discover the best product

mix.

• In Excel 2010, a number of new report types are available viz. Linearity, Feasibility & Population report.

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