Description Usage Arguments Value Examples

Candidates enter into pairwise comparison. if the number of voters who prefer a is larger than the number of voters who prefer b, then a wins b, a gets 1 point, b gets 0 point. If the numbers are equal, then both of them gets 0 point. Suppose there are n candidates, the one gets n-1 points wins (that is, he wins in all pairwise comparison). There may be no Condorcet winner. If thus, you can try other Condorcet family methods.

1 | ```
cdc_simple(x, allow_dup = TRUE, min_valid = 1)
``` |

`x` |
it accepts the following types of input:
1st, it can be an object of class |

`allow_dup` |
whether ballots with duplicated score values are taken into account. Default is TRUE. |

`min_valid` |
default is 1. If the number of valid entries of a ballot is less than this value, it will not be used. |

a `condorcet`

object, which is essentially
a list.

(1)

`call`

the function call.(2)

`method`

the counting method.(3)

`candidate`

candidate names.(4)

`candidate_num`

number of candidate.(5)

`ballot_num`

number of ballots in`x`

. When x is not a`vote`

object, it may be NULL.(6)

`valid_ballot_num`

number of ballots that are actually used to compute the result. When x is not a`vote`

object, it may be NULL.(7)

`winner`

the winner; may be NULL.(8)

`input_object`

the class of`x`

.(9)

`cdc`

the Condorcet matrix which is actually used.(10)

`dif`

the score difference matrix. When x is not a`vote`

object, it may be NULL.(11)

`binary`

win and loss recorded with 1 (win), 0 (equal) and -1 (loss).(12)

`summary_m`

times of win (1), equal (0) and loss (-1).(13)

`other_info`

currently nothing.

1 2 3 4 5 6 7 8 9 | ```
raw <- c(
rep(c('m', 'n', 'c', 'k'), 42), rep(c('n', 'c', 'k', 'm'), 26),
rep(c('c', 'k', 'n', 'm'), 15), rep(c('k', 'c', 'n', 'm'), 17)
)
raw <- matrix(raw, ncol = 4, byrow = TRUE)
vote <- create_vote(raw, xtype = 2, candidate = c('m', 'n', 'k', 'c'))
win1 <- cdc_simple(vote) # winner is n
win2 <- cdc_simple(win1$cdc) # use a Condorceit matrix
win2 <- cdc_simple(win1) # use an existent result
``` |

```
MATCHING NAMES AND SCORES
COUNTING NA AND DUP VALUES
MAKING CONDORCET TABLE
COLLECTING RESULT
DONE
CREATING CDC MATRIX
------USE CDC MATRIX WITH NA IN x
EXTRACTING INFO
SELECTING
COLLECTING RESULT
DONE
CREATING CDC MATRIX
------USE INPUT MATRIX
EXTRACTING INFO
SELECTING
COLLECTING RESULT
DONE
CREATING CDC MATRIX
EXTRACTING INFO
SELECTING
COLLECTING RESULT
DONE
```

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