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## What Negative Kurtosis impliesHi...I am new to data science, I have a dataset and when I am computing kurtosis of the Target Variable I am getting the value as -0.94. Wh… Started by Niana ThomasLatest Reply |

## How did your company choose a BI tool?I’m curious to learn how companies settle on a BI tool. What criteria did you consider? How did you evaluate different tools? Did you choos… Started by Lee SchlesingerLatest Reply |

## Restrictions for split-half testing ?Hello everyone, I am a psychology student about to write my bachelor thesis for which I need to test some questionnaires for split-half rel… Started by Heiko HahnLatest Reply |

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## Data Science Courses to AvoidWhile there are now many data science programs worth attending (see for instance programs from top universities), there are still programs… Started by Mirko Krivanek |
32 |
Jul 20, 2016 Reply by Taihua Li |

## SQL to NoSQL translatorIs there any software that converts an SQL script into NoSQL? What are the drawbacks and limitations of these translators? What about SQL… Started by Vincent Granville |
22 |
Sep 27, 2018 Reply by Lee Schlesinger |

## Career change into data scienceI'm hoping someone can give me some advice around how to move into the field of data science. My background is in physics, in which I achie… Started by Carl Watt |
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Dec 19, 2015 Reply by A Majek |

## A Tough Calculus QuestionWhat is the result for SQRT(-4) * SQRT(-9)? This was posted on Brilliant, tweeted, and went viral, with thousands of views. Yet, even if it… Started by L.V. |
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Nov 18, 2017 Reply by Steven Craighead |

## The 3Vs that define Big DataAs I studied the subject, the following three terms stood out in relation to Big Data. Variety, Velocity and Volume. In marketing, the 4P… Started by Diya Soubra |
19 |
Sep 7, 2016 Reply by Theodore Omtzigt |

## What will be the next big thing after data science?No so long ago mathematics mathematics was very popular and allowed for the computer and Internet revolution, and progress in engineering s… Started by Mirko Krivanek |
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Mar 20, 2015 Reply by Keith Maclaren |

## Mysterious gaps in Google Analytics numbersWhile looking at the 2000+ most popular live articles on DSC, based on Google Analytics numbers, we found an interesting pattern. The bott… Started by Vincent Granville |
17 |
Feb 5, 2015 Reply by Ken Pendergast |

## How to win a Kaggle competitionOf course one way to win is play by the rules and submit the best answer. But since most of these challenges are about predicting something… Started by Vincent Granville |
16 |
Feb 28, 2017 Reply by Sarfaraz Ahmed Abbasi |

## Java versus PythonInteresting picture that went viral on Facebook. We've had plenty of discussions about Python versus R on DSC. This picture is trying to co… Started by L.V. |
14 |
Nov 29, 2018 Reply by Vikrant Choudhary |

## Help needed to prove that Earth is not flatCan someone show what the trajectory of an object falling on a "pancake-shape" Earth would be, according to the gravitation law? Also if Ea… Started by Vincent Granville |
13 |
Apr 24, 2018 Reply by Vincent Granville |

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