Research Guide

Research Guide

Categorical

categorical · geographic

state of birth

birthState

State or province where the player was born: a two-letter postal code for US states, a region name elsewhere (e.g. La Romana); blank if unknown

ROWS DISTINCT MISSING/NA
678 115 (17.0%) 17 (2.5%)

PREVIEW:

CA · TX · FL · Distrito Nacional · GA · TN · IL · PA · Carabobo · NY · OH · IN · MO
San Cristobal · NC · NJ · CT · MI · KY · San Pedro de Macoris · AL · MS · VA · LA · NV

FACTOR LEVELS:

Frequency (%) Label
102 (15.0%) CA
53 (7.8%) TX
50 (7.4%) FL
26 (3.8%) Distrito Nacional
21 (3.1%) GA
17 (2.5%) TN
16 (2.4%) IL
16 (2.4%) PA

+ 106 more levels

categorical · geographic

city of birth

birthCity

City where the player was born; blank if unknown

ROWS DISTINCT
678 452 (66.7%)

PREVIEW:

Santo Domingo · Valencia · Dallas · San Pedro de Macoris · Houston · Miami · La Habana
Las Vegas · San Cristobal · Atlanta · La Romana · Newport Beach · Anaheim · Birmingham

FACTOR LEVELS:

Frequency (%) Label
24 (3.5%) Santo Domingo
10 (1.5%) Valencia
9 (1.3%) Dallas
9 (1.3%) San Pedro de Macoris
8 (1.2%) Houston
7 (1.0%) Miami
6 (0.9%) La Habana
6 (0.9%) Las Vegas

+ 444 more levels

categorical

height (inches)

height

Player's height in inches

ROWS DISTINCT
678 15 (2.2%)

PREVIEW:

74 · 75 · 73 · 72 · 76 · 71 · 70 · 77 · 69 · 78 · 68 · 79 · 67 · 80 · 66

FACTOR LEVELS:

Frequency (%) Label
109 (16.1%) 74
99 (14.6%) 75
94 (13.9%) 73
90 (13.3%) 72
81 (11.9%) 76
67 (9.9%) 71
43 (6.3%) 70
39 (5.8%) 77

+ 7 more levels

categorical · unordered

side of plate (R/L/B)

bats

Player's batting hand, coded R (right), L (left) or B (both)

ROWS DISTINCT
678 3 (0.4%)

PREVIEW:

R · L · B

FACTOR LEVELS:

Frequency (%) Label Meaning
431 (63.6%) R R (right)
192 (28.3%) L L (left)
55 (8.1%) B B (both)

categorical · unordered

throwing hand (L/R)

throws

Player's throwing hand, coded R (right) or L (left)

ROWS DISTINCT
678 2 (0.3%)

PREVIEW:

R · L

FACTOR LEVELS:

Frequency (%) Label Meaning
539 (79.5%) R R (right)
139 (20.5%) L L (left)

Numeric

number · measurement

weight (lbs)

weight

Player's weight in pounds

ROWS DISTINCT
678 74 (10.9%)

PREVIEW:

205 · 200 · 220 · 210 · 215 · 190 · 225 · 195 · 230 · 235 · 240 · 180 · 185 · 245 · 250 · 175
255 · 218 · 170 · 232 · 160 · 212 · 216 · 227 · 191 · 207 · 217 · 224 · 165 · 166 · 201 · 213

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
160 180 200 210 212.32 225 246.15 315

number · measurement

games

G

Average game appearances per season

ROWS DISTINCT
678 139 (20.5%)

PREVIEW:

32 · 29 · 30 · 48 · 24 · 25 · 26 · 34 · 13 · 28 · 40 · 54 · 56 · 35 · 60 · 62 · 18 · 20 · 22
36 · 43 · 52 · 64 · 11 · 16 · 23 · 37 · 46 · 47 · 57 · 80 · 14 · 19 · 27 · 31 · 38 · 39 · 110

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
11 15 30 51.5 61.78 86 141.15 159

number

at bats

AB

Average at bats per season; blank if the player has no recorded at bats

ROWS DISTINCT MISSING/NA
678 284 (41.9%) 136 (20.1%)

PREVIEW:

1 · 2 · 4 · 3 · 5 · 50 · 17 · 30 · 35 · 179 · 9 · 20 · 26 · 38 · 75 · 6 · 7 · 12 · 27 · 29 · 32
33 · 34 · 41 · 48 · 52 · 56 · 74 · 127 · 128 · 162 · 225 · 252 · 273 · 366 · 372 · 392 · 10 · 14

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
1 1 9 99.5 173.8 308 532 634

number

hits

H

Average hits per season

ROWS DISTINCT ZERO
678 145 (21.4%) 264 (38.9%)

PREVIEW:

0 · 1 · 2 · 4 · 8 · 3 · 6 · 7 · 20 · 5 · 37 · 98 · 100 · 13 · 26 · 32 · 36 · 46 · 65 · 78 · 88
115 · 10 · 14 · 16 · 17 · 21 · 24 · 34 · 47 · 67 · 69 · 106 · 107 · 112 · 11 · 28 · 30 · 35 · 39

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
0 0 0 6 34.55 62 138 197

number · measurement

batting average

AVG

Career batting average (hits / at bats over all seasons); blank if the player has no recorded at bats

ROWS DISTINCT MISSING/NA ZERO
678 406 (59.9%) 136 (20.1%) 97 (14.3%)

PREVIEW:

0 · 0.071 · 0.111 · 0.062 · 0.5 · 0.056 · 0.059 · 0.067 · 0.133 · 0.2 · 0.25 · 0.333 · 0.037
0.083 · 0.086 · 0.143 · 0.15 · 0.154 · 0.16 · 0.167 · 0.182 · 0.208 · 0.214 · 0.235

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
0 0 0.08 0.21 0.18 0.25 0.29 1

number

slugging percentage

SLUG

Career slugging percentage (total bases / at bats over all seasons); blank if the player has no recorded at bats

ROWS DISTINCT MISSING/NA ZERO
678 411 (60.6%) 136 (20.1%) 97 (14.3%)

PREVIEW:

0 · 0.5 · 0.071 · 0.111 · 0.143 · 0.056 · 0.059 · 0.133 · 0.167 · 0.2 · 0.667 · 0.062 · 0.067
0.1 · 0.222 · 0.25 · 0.296 · 0.333 · 0.336 · 0.356 · 0.375 · 0.01 · 0.02 · 0.029

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
0 0 0.1 0.3 0.26 0.39 0.48 1

number · usd

salary

Average annual salary over the player's career, in US dollars (written $851,950)

ROWS DISTINCT
678 507 (74.8%)

PREVIEW:

$510,000 · $414,000 · $509,500 · $507,500 · $512,500 · $480,000 · $508,500 · $520,000 · $500,000
$490,000 · $515,000 · $517,500 · $400,000 · $492,500 · $501,000 · $507,000 · $510,500 · $512,000

STATS:

MIN Q05 Q25 Q50 MEAN Q75 Q95 MAX
4e+05 453,525 507,000 516,950 1,054,828 998,525 3,327,430 2.2e+07

Text

text · person

first name

nameFirst

Player's first name

ROWS DISTINCT
678 337 (49.7%)

PREVIEW:

Chris · Matt · Brandon · Michael · Jose · Josh · Mike · Alex · Ryan · David · Jake · Kyle
Tyler · Aaron · Anthony · Brad · Danny · Hector · Justin · Andrew · Christian · Drew · Kevin

MOST COMMON VALUES:

Value Frequency (%)
Chris 14 (2.1%)
Matt 14 (2.1%)
Brandon 13 (1.9%)
Michael 12 (1.8%)
Jose 11 (1.6%)
Josh 11 (1.6%)

text

last name

nameLast

Player's last name

ROWS DISTINCT
678 607 (89.5%)

PREVIEW:

Perez · Garcia · Alvarez · Martinez · Ramirez · Sanchez · Adams · Brown · Castillo · Miller
Santana · Wood · Baez · Barnes · Carpenter · Castro · Chapman · Collins · Cruz · Davis · Duffy

MOST COMMON VALUES:

Value Frequency (%)
Perez 6 (0.9%)
Garcia 5 (0.7%)
Alvarez 4 (0.6%)
Martinez 4 (0.6%)
Ramirez 4 (0.6%)
Sanchez 4 (0.6%)

Temporal

temporal · calendar

date of birth

birthDate

Player's birth date, written Mon DD, YYYY (e.g. Dec 27, 1981)

ROWS DISTINCT
678 616 (90.9%)

PREVIEW:

Apr 18, 1990 · Aug 26, 1986 · Dec 08, 1987 · Apr 08, 1987 · Apr 16, 1991 · Aug 08, 1989
Aug 10, 1987 · Aug 16, 1986 · Aug 18, 1986 · Aug 21, 1989 · Aug 25, 1987 · Aug 26, 1985

temporal · year

year of birth

birthYear

Year in which the player was born (YYYY)

ROWS DISTINCT
678 18 (2.7%)

PREVIEW:

1987 · 1986 · 1988 · 1989 · 1990 · 1985 · 1991 · 1984 · 1992 · 1983 · 1982 · 1993 · 1981 · 1975
1980 · 1977 · 1979 · 1994

temporal · month_of_year

month of birth (Mon)

birthMonth

Month in which the player was born, as a three-letter abbreviation (Jan-Dec)

ROWS DISTINCT
678 12 (1.8%)

PREVIEW:

Aug · Sep · Jan · Oct · May · Nov · Jul · Mar · Feb · Jun · Apr · Dec

temporal · calendar

date of first appearance

debut

Date of the player's first major league appearance (YYYY-MM-DD)

ROWS DISTINCT
678 428 (63.1%)

PREVIEW:

2011-09-06 · 2010-04-05 · 2010-09-01 · 2011-04-03 · 2012-04-07 · 2013-04-01 · 2014-09-01
2010-04-08 · 2011-03-31 · 2011-09-02 · 2010-04-07 · 2010-09-07 · 2011-04-01 · 2011-05-18

temporal · calendar

date of last appearance

finalGame

Date of the player's last major league appearance (YYYY-MM-DD)

ROWS DISTINCT
678 399 (58.8%)

PREVIEW:

2022-10-05 · 2022-10-04 · 2016-10-02 · 2022-10-03 · 2017-10-01 · 2015-10-04 · 2019-09-29
2021-10-03 · 2022-10-02 · 2020-09-27 · 2022-10-01 · 2017-09-30 · 2022-09-30 · 2013-09-28