R Package for Sports betting
This package contains tools and functions to help sports bettors make
more money!
You can install bettoR from
GitHub with:
# install.packages("devtools")devtools::install_github("papagorgio23/bettoR")
Implied probabilities, or break-even win percentage, can easily be found
with this function. Here is an example with given odds of -350 (US
Odds), 180 (US Odds), 2.5 (Decimal Odds), 4.9 (Decimal Odds), 6-1
(Fractional Odds), 2/7 (Fractional Odds).
implied_prob(-350, type = "us")
## [1] 0.7777778
implied_prob(180, type = "us")
## [1] 0.3571429
implied_prob(2.5, type = "dec")
## [1] 0.4
implied_prob(4.9, type = "dec")
## [1] 0.2040816
implied_prob(6/1, type = "frac")
## [1] 0.1428571
implied_prob(2/7, type = "frac")
## [1] 0.7777778
Let’s say you believe a bet has a 75% chance to cover, what would the
price be? Using the implied odds function can give you the price based
on your probability.
implied_odds(0.75, type = "us")
## [1] -300
implied_odds(0.75, type = "frac")
## [1] 1/3
implied_odds(0.75, type = "dec")
## [1] 1.333333
implied_odds(0.75, type = "all")
## Decimal American Fraction Implied.Probability## 1 1.333333 -300 1/3 0.75
Let’s say you want to convert the American Odds you see on the screen
(-175) to another type.
convert_odds(-175)
## Decimal American Fraction Implied_Probability## 1 1.571429 -175 4/7 0.6363636
Betting into a market is difficult enough as is but some sportsbooks
skew the odds even more in their favor. (-110, -110) is the industry
standard. The hold, or vig/juice, for this bet can be found like this:
hold_calc(-110, -110)
## [1] 0.04545455
Some sportsbooks in newly legalized states are taking advantage of
bettors with lines (-125, -125)
hold_calc(-125, -125)
## [1] 0.1
The increase in juice for this is:
(hold_calc(-125, -125) - hold_calc(-110, -110)) / hold_calc(-110, -110)
## [1] 1.2
120% increase in price.
