By: root
- 7 August, 2020

Collect the tasks from the freelance website
Collect the tasks from the freelance website, filter them and show only the relevant tasks in the table

By: root
- 29 July, 2020

What is standard deviation?
In fact, a standard deviation from the mean will shed light on the essence of many of the processes in your business. It plays a decisive role in most statistical … Read More

By: root
- 29 July, 2020

Public transport traffic
A certain bus (trolleybus / tram) runs at intervals of 10 minutes, and at a random moment in time you come to a stop. What is the frequency of the … Read More

By: root
- 29 July, 2020

Power law with probability density function
In statistics, a power law is a functional dependence between two quantities in which a relative change in one quantity leads to a proportional relative change in another quantity, regardless … Read More

By: root
- 29 July, 2020

Determine the failure rate in batches
A **binomial experiment** is a statistical experiment that has the following properties:

- The experiment consists of
*n*repeated trials. - Each trial can result in just two possible outcomes. We … Read More

By: root
- 29 July, 2020

The odds of getting 550 visits per day
My website gets on average 500 visits per day. What is the odds of getting 550?

By: root
- 29 July, 2020

Trendy diagram for creating a motivator
Build a chart for (de)motivation that can be used in advertising or on a social network.

By: root
- 29 July, 2020

Number of parts created last week
Show the number of parts created for the last week, where x - the number of parts produced, and y - the number of repetitions

By: root
- 29 July, 2020

Cars 2019 model year, distributed by the number of gears
A dataset for the models of cars of the 2019 year was uploaded. The histogram shows their distribution by the number of gears.

By: root
- 29 July, 2020

Distribution of MPG values on the vehicles
Plot a histogram together with a smooth distribution of histogram overlaid on it

By: root
- 29 July, 2020

Classify cars by how many cylinders are in their engines
Look for relationships between cylinders, city MPG rating, Highway MPG rating, and combined MPG rating.

By: root
- 29 July, 2020

Compare Engine displacement with Combined MPG
Show how data is distributed across Engine displayed and Combined MPG

By: root
- 29 July, 2020

Compare engine displacement with Highway MPG(scatter + hist)
Show how data is distributed across Engine displacement and Highway MPG

By: root
- 29 July, 2020

Compare engine disp. with MPG (scatter + linear regression)
Show how data is distributed across Engine displacement and City MPG

By: root
- 29 July, 2020

Compare engine disp. with MPG (scatter + linear regression)
Show how data is distributed across Engine displacement and City MPG

By: root
- 29 July, 2020

Combined fuel consumption values for car manufacturers
Generate a box plot for each vehicle manufacturer, vizualising the miles-per-gallon ratings across the vehicles they produce.

By: root
- 29 July, 2020

Fuel consumption values for car manufacturers
Generate a swarn plot for each vehicle manufacturer, vizualising the miles-per-gallon ratings across the vehicles they produce.

By: root
- 29 July, 2020

Calculate the number of occurrences of each category
Count up how many times each given category on the X axis occurs in my data.

By: root
- 29 July, 2020

Fuel consumption for each engine and cylinder quantity
Create a heat-map with the average MPG ratings for every combination of number of cylinders and engine displacemen

By: root
- 29 July, 2020

Probability of testing positive if you are positive
We have a drug test that can accurately identify users of a drug 99% of the time, and provide a negative result for 99% of non-users. However only 0.3% of … Read More

By: root
- 29 July, 2020

Estimate the fuel consumption using some observable data
Visually estimate the fuel consumption per engine displacement using some observable data. (linear regression)

By: root
- 29 July, 2020

Estimate the fuel consumption using some observable data
Split data into 2 parts (80% train and 20% test), shuffle it and visually estimate the fuel consumption per engine displacement using some observable data. (Polynomial Regression+ML)

By: root
- 29 July, 2020

Price prediction considering several parameters
Predict the price of a car based on several parameters: mileage, number of doors, number of cylinders in the engine

By: root
- 29 July, 2020

Group cars together into 6 groups
Group cars together into 6 groups based on their mileage and price (1 unit on the X scale is equal to one unit on the Y scale)

By: root
- 29 July, 2020

Draw a decision tree that shows how employees were hired
Draw a decision tree that shows how employees were hired based on the csv file and also predict whether a person will be employed

By: root
- 29 July, 2020

Predict the species of a flower
Predict the species of a flower sample just based on the sizes of its petals.

By: root
- 29 July, 2020

Group cars together into 8 groups
Group your cars into 8 groups depending on mileage and price (1% on the X scale is 1% on the Y scale). Create a suggested zone for each group

By: root
- 29 July, 2020

Movies similar to Star Wars (1977)
Based on the csv file, identify the top 10 movies similar to Star Wars (1977), display them on the chart from most similar to the least similar and indicate their … Read More

By: root
- 29 July, 2020

List of interesting movies
Let the user enter a list of movies that he / she knows and rate them from 1 to 5. After that, the tool should create the top 10 movies … Read More

By: root
- 28 July, 2020

Guess the rating of a movie Richard III (1995)
Guess the rating of a movie by looking at the 10 movies that are closest to it in terms of genres and popularity

By: root
- 28 July, 2020

Distill multi-dimensional data down to 2 dimensions
Common application is image compression. Black and white photograph image has 3 dimensions: x(width) y(height) and z(color). If you do that in a technique that preserve the variance in that … Read More

By: root
- 28 July, 2020

Train a virtual taxi to find the quickest way
Train a virtual taxi to find the quickest way between any two points to take a passenger and drop him off at a given place. Also, display the taxi movement … Read More

By: root
- 28 July, 2020

Classify a coordinate point, check accuracy with K Fold
Train/test has its own limitations. It is possible to end up overfitting to a specific train/test split. This may be the case when the training dataset isn't really representative of … Read More

By: root
- 28 July, 2020

Compare two data sets with each other
You have two datasets: before change and after the change. Please check if the decision was right to make this change.