How Are EPLsite Football Teams Performing This Season Compared to Previous Seasons?

Are you a US-based football (soccer) fan wondering how your favorite Eplsite Football team is performing this season compared to previous ones? This comprehensive guide, brought to you by CAUHOI2025.UK.COM, breaks down the key metrics and visualisations to understand team performance trends. Discover insightful analysis and track your team’s progress! Dive in to explore team stats, standings, and historical comparisons, all in one place.

1. Understanding EPLsite Football Data and Pivoting

The foundation of our analysis lies in the data structure. Typically, EPLsite football datasets present match results with teams listed in “Home” and “Away” columns, and the “FTR” (Full Time Result) column indicating the outcome (Home win, Away win, or Draw).

To effectively analyze this data, we need to reshape it. This is achieved through a process called pivoting. Pivoting transforms the data so that each match generates two rows, one for each team involved. These rows include a “Team” column and a column indicating whether the team was playing “Home or Away.”

How to Pivot Data:

In your data source window (e.g., in Tableau or a similar data analysis tool), select the “Home” and “Away” columns.
Right-click on either selected column.
Choose the “Pivot” option.

This action will create two new fields:

Pivot Field Names: Rename this to Home or Away.
Pivot Field Values: Rename this to Team.

Pivoting data in a data analysis tool to analyze EPLsite football data more effectively

2. Calculating Points for Each EPLsite Football Match

With the data pivoted, the next step is to calculate the points earned by each team in each match. The standard point system in EPLsite football is:

Win: 3 points
Draw: 1 point
Loss: 0 points

To automate this calculation, create a calculated field (e.g., in Tableau) using the following logic:

Pts Calculated Field Formula

IF [Home or Away] = 'Home' AND [FTR] = 'H' THEN 3
ELSEIF [Home or Away] = 'Away' AND [FTR] = 'A' THEN 3
ELSEIF [FTR] = 'D' THEN 1
ELSE 0
END

This formula checks the “Home or Away” status and the “FTR” to assign the appropriate points to each team for each match.

3. Creating a Cumulative Points Line Chart for EPLsite Football

To visualize team performance over time, a cumulative points line chart is ideal. This chart displays the total points accumulated by each team over the course of a season.

Steps to Create the Chart:

Place the Wk (Week) field on the Columns shelf.
Place the Pts (Points) field on the Rows shelf.
Add Team and Season End Year to the Detail shelf to differentiate the lines.

Initial EPLsite football line chart showing points per week for each team and season

Currently, the chart displays points earned per week. To show cumulative points, apply a running total table calculation:

Right-click on the Pts field on the Rows shelf.
Select Quick Table Calculation.
Choose Running Total.

Applying a running total table calculation to show cumulative points for EPLsite football

This transforms the chart to display the cumulative points for each team across each week of the season.

Cumulative points line chart for EPLsite football showing team performance over time

3.1. Baking the Cumulative Points Calculation for EPLsite Football

While the quick table calculation works, it’s often beneficial to create a dedicated field for the cumulative points. This “bakes” the calculation into the data, making it more readily available for further analysis. There are two methods to achieve this:

Method 1: Calculated Field

Create a new calculated field named Cumulative Points Per Season.
Enter the formula RUNNING_SUM(SUM([Pts])).
Replace the SUM(Pts) field on the Rows shelf with the new Cumulative Points Per Season field.

Method 2: Drag and Drop

Hold down the Ctrl key (or Cmd key on macOS).
Click and drag the SUM([Pts]) pill from the Rows shelf to the left-hand data pane.
Release the mouse button. This will automatically create a new field.
Rename the new field to Cumulative Points Per Season.

Creating a calculated field for cumulative points in EPLsite football

4. Filtering Data for Specific EPLsite Football Teams

To focus on specific teams, add the Team field to the Filters shelf. Initially, select a single team (e.g., Arsenal) to simplify the view.

Adding the team field to the filters shelf to focus on specific EPLsite football teams

To make the filter interactive:

Right-click on the Team field on the Filters shelf.
Select Show Filter.
In the filter control, change the display to Single Value (List).
Customize the filter by unchecking the “Show All Value” option to prevent the selection of all teams simultaneously.

Customizing the filter control to allow selection of a single EPLsite football team

5. Formatting the EPLsite Football Line Chart for Clarity

To enhance the visual appeal and readability of the line chart, consider the following formatting options:

Stepped Lines:

Click on the Path button on the Marks card.
Select the Step option. This creates a stepped line, clearly showing the point increases at each match week.

Formatting the EPLsite football line chart to use stepped lines for better visualization

Highlighting the Latest Season:

To emphasize the current season’s performance, differentiate its line appearance. Create a calculated field:

Is Latest Season

[Season End Year] = {MAX([Season End Year])}

This formula identifies the latest season in the dataset. Add this field to both the Color and Size shelves. Adjust the colors to visually distinguish the current season. Also, adjust the Size to make the latest season’s line thicker.

Highlighting the latest season in the EPLsite football line chart

To ensure the latest season’s line appears on top, drag the True value in the color or size legend to be listed before the False value. You may also need to check the Reversed checkbox to make True the thicker line. Adjust the mark size range to your preference.

Adjusting the mark size range for better visualization of the latest season in the EPLsite football line chart

Labeling the Lines:

Add the Season End Year field to the Label shelf. Adjust the label alignment to “Middle Right,” allow labels to overlap marks, and match the label color to the mark color for visual consistency.

6. Enhancing the Tooltip for EPLsite Football Data

The tooltip provides additional information when hovering over a data point. To display the season in the format “YYYY-YYYY” (e.g., 2024-2025), create a calculated field:

Season Start Year

[Season End Year] - 1

Add this field to the Tooltip shelf. Then, edit the tooltip text to include both the start and end years of the season. Use the Insert button in the tooltip editor to reference the fields.

Customizing the tooltip to display the season in the format YYYY-YYYY for EPLsite football data

7. Final Formatting Touches for EPLsite Football Visualizations

Complete the visualization by addressing the following formatting elements:

Axis Titles: Edit or remove axis titles to improve clarity.
Gridlines and Axis Rulers: Remove gridlines and axis rulers for a cleaner look. Right-click on the chart canvas, select “Format,” and adjust the line settings.
Text Color: Set a consistent text color (e.g., dark purple) for all text elements in the workbook. Use the “Format” menu and select “Workbook” to adjust the font colors.

Setting the text color for the EPLsite football workbook for visual consistency

Title: Update the chart title to dynamically reflect the selected team. Double-click the title and use the “Insert” option to add relevant fields.

8. Intermediate Challenge: Adding a Dual Axis for EPLsite Football Analysis

To enhance the analysis, we can add a dual axis to display another set of marks, representing a specific data point for each season. This involves more complex calculations and careful coordination of the two axes.

8.1. Defining the Additional Mark to Plot for EPLsite Football

Before visualizing the additional mark, it’s helpful to validate the calculations in a tabular format. Create a new sheet and add Team, Season End Year, and Wk to the Rows shelf. Ensure the latter two fields are discrete (blue pills). Add Cumulative Points Per Season to the Text shelf. Filter the data to a single team (e.g., Arsenal).

Validating the calculations in a tabular format for EPLsite football data

Calculating the Latest Date Per Team:

To identify the date of the last match played by each team, use a Level of Detail (LOD) calculation:

Latest Date Per Team

{FIXED [Team] : MAX([Date])}

Add this to the Rows shelf as a discrete (blue pill) exact date.

Calculating Latest Points Per Team:

To determine the latest points for each team in the current season:

Latest Points Per Team

WINDOW_MAX(IF MIN([Date]) = MIN([Latest Date Per Team]) THEN [Cumulative Points Per Season] END)

This formula identifies the row corresponding to the latest date and extracts the cumulative points. The WINDOW_MAX function then propagates this value across all rows. Add this field to the table.

Calculating the latest points per team for EPLsite football

Calculating Previous Points:

To identify the week in each season where the points are at least the same as the latest points, we need to capture the previous week’s points:

Previous Points

LOOKUP([Cumulative Points Per Season], -1)

This table calculation returns the value of Cumulative Points Per Season from the previous row. Add this to the table.

To ensure the calculation is correct, edit the table calculation of the Previous Points field and adjust so the calculation for Previous Points is just computing by the Wk field only.

Adjusting the table calculation for previous points for EPLsite football

Identifying the Matching Week:

To identify the week in each season that “matches” the current performance, use the following formula:

Matching Week

//for latest season, just label latest record, otherwise find the week where the team had scored at least the same number of points as the current season so far
IF MIN([Is Latest Season]) AND LAST()=0 THEN TRUE
ELSEIF NOT(MIN([Is Latest Season])) AND [Cumulative Points Per Season]>= [Latest Points Per Team] AND [Previous Points] < [Latest Points Per Team] THEN TRUE
ELSE FALSE
END

This formula checks if the current week’s points are greater than or equal to the latest points and if the previous week’s points are less than the latest points. Add this to the Rows shelf and check the data.

Identifying the matching week for each season in EPLsite football

Isolating the Matching Week Points:

To extract the points for the matching week, use the following formula:

Matching Week Points

IF [Matching Week] THEN [Cumulative Points Per Season] END

Add this to the table.

Isolating the matching week points for EPLsite football

8.2. Visualizing the Additional Mark for EPLsite Football

Duplicate the “Beginner” worksheet (or build on the existing one). Add Matching Week Points to the Rows shelf to create an additional axis. Adjust the table calculation setting of the field, so the Latest Points Per Team calculation is computing by all fields except the Team field. Change the mark type of the Matching Week Points marks card to Circle and remove Season End Year from the Label shelf.

Changing the mark type to circle for EPLsite football

Sizing the Circles:

Create a duplicate instance of Is Latest Year (right click pill and duplicate). This will automatically create Is Latest Season (copy) in the dimensions pane. Drag this onto the size shelf of the Matching Week Points marks card instead to make the sizing independent (you will probably find you need to readjust the table calculation for the Matching Week Points pill to include Is Latest Season (copy)). Then adjust the sizes as required.

Adjusting the size of the circles for EPLsite football

Labeling the Circles:

Add Latest Points Per Team to the Label shelf of the Matching Week Points marks card. Adjust the table calculation setting, so the Latest Points Per Team calc is computing just by Wk only, so only the latest value displays. Then format the Label so the text is aligned middle center, is white & bold and slightly larger font.

Labeling the circles for EPLsite football

Adjust the Tooltip text on the Matching Week Points mark, so it reads the same as on the line mark. You will need to reference the Matching Week Points value instead.

Then make the chart dual axis and synchronize the axis. Remove the Measure Names field that has automatically been added to the All marks card.

Making the chart dual axis for EPLsite football

Removing Label for Latest Season:

Create a new field

Label:Season

IF NOT([Is Latest Season]) THEN [Season End Year] END

Replace the Season End Year pill on the Label shelf of the Cumulative Points Per Season marks card, with this one instead.

8.3. Final Formatting for the Dual Axis Chart for EPLsite Football

To tidy up the display:

Remove the right-hand axis by right-clicking on the axis and unchecking “Show Header.”
Remove the “165 nulls” indicator by right-clicking on the indicator and selecting “Hide Indicator.”
Remove row & column dividers by right-clicking on the canvas and selecting “Format.” Select “Format Borders” and set Row and Column Divider values to None.

Removing row and column dividers for EPLsite football

9. Advanced Challenge: Enhancing Tooltips and Filtering for EPLsite Football Data

For the final part of the challenge, we add additional text to the tooltip and adjust the filter control.

9.1. Expanding the Tooltip Text for EPLsite Football

We want to calculate the difference in the number of weeks between the latest week of the current season and the week number of the matching record from previous seasons. So first, we want to identify the latest week of the current season and ‘flood’ that over every row.

Latest Week Number Per Team

WINDOW_MAX(MAX(IF ([Date]) = ([Latest Date Per Team]) THEN [Wk] END))

This is the same logic we used above when getting the Latest Points Per Team, although as this time the Wk field isn’t already an aggregated field like Cumulative Points Per Season is, we have to wrap the conditional statement with an aggregation (eg MAX) before applying the WINDOW_MAX. Add this to the table.

Adding the latest week number per team to the table for EPLsite football

And then we need the week number in each season where the match was found, but this needs to be spread across every row associated to that season.

Matching Week No Per Team and Season

WINDOW_MAX(IF [Matching Week] THEN MIN([Wk]) END)

Add to the table, but adjust the table calculation so the field is computing by all fields except the Season End Year.

Adding the matching week number per team and season for EPLsite football

Now we have these 2 fields, we can compute the difference

Week Difference

[Latest Week Number Per Team] – [Matching Week No Per Team and Season]

Add to the table. With this we can then define what this means for the text in the tooltip

Less/More

IF [Week Difference]0 then ‘less’ELSE ”END

and also build the tooltip text completely

Tooltip – other seasons

IF NOT(MIN([Is Latest Season])) THEN
    IF [Week Difference] = 0 THEN
        'It took the same amount of weeks to accrue at least the same number of points as the current season'
    ELSE
        'It took ' + STR(ABS([Week Difference])) + ' weeks ' + [Less/More] + ' to accrue at least the same number of points as the current season'
    END
END

Add this to the Tooltip shelf of the Matching Week Points marks card. Adjust the Tooltip to reference the field.

Adjust the Tooltip – other seasons table calculation, so the Latest Points Per Team nested calculation is computing for all fields except Team (this will make the circles reappear).

Adjusting the tooltip for other seasons for EPLsite football

And also adjust the Latest Week Number Per Team nested calculation to compute by all fields except Team. This should make the text in the tooltip appear.

9.2. Filtering by Teams in the Current Season Only for EPLsite Football

We need to get a list of the teams in the current season only, which we can define by

Filter Team

IF {FIXED [Team]: MAX([Season End Year])} = {MAX([Season End Year])} THEN [Team] END

Breaking this down: {FIXED [Team]: MAX([Season End Year])} returns the maximum season for each team, which is compared against the maximum season in the data set. So if there is a match, then name of the team is returned. Listing this out in a table we get Null for all the teams whose latest season didn’t match the overall maximum.

Filtering teams by current season for EPLsite football

We can then build a set off of this field. Right click on the Filter Team field Create > Set and click the Null field and select Exclude.

Creating a set for filtering teams by current season for EPLsite football

Then add this to the Filter shelf, and the list of teams displayed in the Team filter display will be reduced.

10. FAQ about EPLsite Football Analysis

Here are some frequently asked questions about analyzing EPLsite football data:

What is pivoting and why is it necessary?
- Pivoting reshapes the data, creating two rows per match (one for each team) to enable accurate team-level analysis.
How are points calculated in EPLsite football?
- Teams earn 3 points for a win, 1 point for a draw, and 0 points for a loss.
What is a cumulative points line chart?
- It’s a chart that shows the total points accumulated by each team over the course of a season, visualizing performance trends.
How can I highlight the latest season in the chart?
- By using a calculated field to identify the latest season and applying different formatting (color, size) to its line.
What is the purpose of adding a dual axis?
- A dual axis allows you to display additional data points (e.g., a marker for a specific week) alongside the cumulative points line.
How do I filter the data to show only teams in the current season?
- By creating a calculated field that identifies teams participating in the latest season and using it to filter the data.
What are Level of Detail (LOD) expressions?
- LOD expressions allow you to perform calculations at different levels of granularity in your data.
What is a table calculation?
- Table calculations are computations performed on the data within the visualization, such as running totals or lookups.
How can I customize the tooltip to show more information?
- By adding calculated fields to the Tooltip shelf and editing the tooltip text to reference those fields.
Where can I find EPLsite football data?
- Many sports data websites and APIs provide EPLsite football data, such as Football-Data.co.uk or ESPN’s API.

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