About

This is a Javascript library for data exploration and analysis. It takes data input in JSON format and converts it into a tabular form in the node console. It has simple to use commands for manipulating and playing around with the data table

Installation

npm i dataprobe

Important Functions

• console.table(dataset) - Used to display the data in tabular format in your terminal/console

• dataHead(dataset,number) - It takes two input, first the data and then the number of rows. This function is used to display a perticular number of rows from the top of the data table

• dataTail(dataset,number) - Works same as dataHead(), instead displays a certain number of rows from the bottom depending on input.

• datasetSize(dataset) - Displays the size of the data table.

• dataSummary(dataset) - Provides a summary of the data table.

• columnEncoder(dataset,column-name) -This function takes two inputs, first the data and then the column to be encoded.It converts multivariant data to numeric data for easies and faster data processing

• sliceColumn(dataset,column-name) - Used to slics a column

• columnsCorrelation(column1-name,column2-name) - returns the correlation coefficient of two arrays. It takes two sliced arrays as input. Correlation coefficient are always on the range of -1 to +1.

• checkNull(dataset,column-name) - Used to check and count the presence of null,undefined,"" or 0 values inside a given column of the data table. It return a number. If it returns 0, then the column has no input values

• deleteColumn(dataset,column-name) - Delete a column form the database.

• saveDataset(new_dataset,filename) - Takes two inputs, first the data and then the JSON filename of the where you want to store your new dataset in JSON format

How to Import dataprobe and use it ?

const {functionName()} = require("dataprobe");
const dataset = require("./filename");

Example

const {datasetSize} = require("dataprobe");
const dataset = require("./supermarket.json");

console.table(dataset);
datasetSize(dataset);