# Is +/- a Good Indicator?

The plus/minus statistic, also known as “plus/minus” or “plus/minus rating”, has become a popular way to measure individual player performance in sports such as hockey and basketball. The statistic attempts to measure the impact a player has on the game by tracking how well the team performs when they are on the court or ice. But is this statistic a reliable measure of player performance? In this article, we’ll explore the plus/minus statistic, its strengths and weaknesses, and explore whether or not it is a good indicator of player performance.

## What Is the Plus/Minus Statistic?

Plus/minus is a statistic that tracks how well a team does when a player is on the court or ice. A plus/minus rating is calculated by subtracting the team’s score when the player is off the court or ice from the team’s score when the player is on the court or ice. If the team’s score is higher when the player is on the court or ice, then the player has a positive plus/minus rating. If the team’s score is lower when the player is on the court or ice, then the player has a negative plus/minus rating.

## Strengths of the Plus/Minus Statistic

One of the major strengths of the plus/minus statistic is that it is relatively simple to calculate. It does not require complicated calculations or advanced analytics in order to calculate a player’s plus/minus rating. The statistic also does not require a large sample size in order to be accurate.
Another strength of the plus/minus statistic is that it does a good job of capturing a player’s overall impact on the game. Because the statistic tracks how well the team does when the player is on the court or ice, it is able to capture a player’s impact on both the offensive and defensive sides of the game. This makes the statistic a good measure of a player’s overall performance.

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## Weaknesses of the Plus/Minus Statistic

Despite its strengths, the plus/minus statistic also has several weaknesses. One of the major weaknesses of the statistic is that it does not take into account a player’s individual contributions. For instance, if a player is on the court or ice and their team scores a goal or makes a shot, the plus/minus statistic does not take into account whether or not the player was directly involved in that goal or shot.
Another major weakness of the plus/minus statistic is that it does not take into account a player’s individual defensive contributions. For example, if a player is on the court or ice and their team prevents a goal or shot, the plus/minus statistic does not take into account whether or not the player was directly involved in preventing that goal or shot.
Finally, the plus/minus statistic does not take into account a player’s impact on their team’s morale. A player’s leadership and ability to motivate their teammates can have a huge impact on the team’s performance, but the plus/minus statistic does not take this into account.

## Conclusion: Is Plus/Minus a Good Indicator?

Overall, the plus/minus statistic is a useful tool for measuring a player’s performance. The statistic is relatively simple to calculate and does a good job of capturing a player’s overall impact on the game. However, the statistic has several weaknesses that should be taken into account when evaluating a player’s performance. The statistic does not take into account a player’s individual contributions or defensive contributions, and it does not take into account a player’s impact on their team’s morale. Ultimately, the plus/minus statistic is a useful tool for measuring a player’s performance, but it should not be the only factor used when evaluating a player.