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About this project:

This project is intended for visualizing the geographic information of all the CTA L stations and also to find out the trends and interesting patterns in Chicago 'L' Station ridership data.

Bar chart on the first page ("All Stations") of the application shows total ridership entry of a single date of all the CTA stations. The opacity of the stations on the map changes according to ridership entry. Users can select a particular date using the option "Single Date" on the left side. To highlight a station on the map and on the bar chart, the user can click on that station on the map or use the dropdown menu "Stations" on the left. Users can also choose line colors using the dropdown menu "Lines on Map". Initially "All lines" option is selected. Upon selecting a line color (ie: pink line), the dropdown menu "Stations" will contain only the stations from the chosen line color. The map will also display only those stations from the chosen line color. The bar chart can be sorted in ascending, descending or alphabetic order using the dropdown menu "Sort Bar Chart" and the data table will also be sorted accordingly. Users can easily navigate to previous or next date using the two buttons from bottom-left.

Upon selecting the checkbox "Ridership Difference between Two Dates", users will be able to see the change in entries between two selected days (Date 1 and Date 2) in a divergent color scheme on the bar chart. The data table and the map also change accordingly.

The second page ("One Station) gives users an overview of ridership data of a particular CTA station. Users can select a particular station by clicking on it on the map or using the dropdown menu. To narrow down the selection of station, users can choose a line color from the dropdown menu "Line On Map". Initially "All Lines" option is selected. The yearly bar chart on the left will give a general overview of how ridership data in a chosen CTA station changed over the years. On the right side, users can choose between three chart types: daily, monthly, or weekdays. Users also have to select a particular year for which the chart on the right side will be displayed. Users can also see the raw data below each chart.

On the "About" page, some details are listed such as creators of the application, date published, data sources, data owner etc.