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Suicidal ideation (SUI) measures a respondent's frequency and severity of suicidal thoughts and plans. Nonsupport (NON) measures how socially isolated a respondent feels, and how little support the respondent reports having. Stress (STR) measures the controllable and uncontrollable hassles and stressors reported by the respondent.
In Major League Baseball (MLB), .300 is considered an average BABIP. [2] Various factors can impact BABIP, such as a player's home ballpark; [3] for batters, being speedy enough to reach base on infield hits; [3] or, for pitchers, the quality of their team's defense. [4]
Power–speed number or power/speed number (PSN) is a sabermetrics baseball statistic developed by baseball author and analyst Bill James which combines a player's home run and stolen base numbers into one number. [1] The formula is: = +. [1] (It is the harmonic mean of the two totals.)
In cricket, a player's batting average is the total number of runs they have scored divided by the number of times they have been out.Since the number of runs a player scores and how often they get out are primarily measures of their own playing ability, and largely independent of their teammates, batting average is a good metric for an individual player's skill as a batter.
The traditional measure of pitching performance is the earned run average (ERA). It is calculated as earned runs allowed per nine innings. Earned run average does not separate the ability of the pitcher from the abilities of the fielders that he plays with. [16] Another classic measure for pitching is a pitcher's winning percentage. Winning ...
James has noted that there are cases in which his original version of game score does not accurately reflect a pitcher's performance. [3]In a September 2003 article in Baseball Prospectus, Dayn Perry created an updated formula based on the ideas behind defense-independent pitching statistics, named Game Score 2.0.
Dig speed: Measures the time from bat-on-ball contact to the point where the batter-as-runner reaches first base on an infield ground ball. Extra bases: Measures the time of bat-on-ball contact to the point the runner advances an "extra" base (first to third or home, or second to home) on all hits (excluding over-the-fence home runs).
In baseball, defense—that is, preventing the opponent from scoring runs—is the joint responsibility of the pitcher and the fielders. ERA attempts to adjust for some of the influence of the fielders on a pitcher's runs allowed by removing runs that are scored because of fielding errors —that is, unearned runs.