Permutation & Combination

720
P(n,r) โ€” Permutations
120
C(n,r) โ€” Combinations

Formula Breakdown

Permutations vs Combinations Table

Pascal's Triangle (first 10 rows)

Practical Examples

Related Tools

๐Ÿ“ˆ ็บฟๆ€งๅ›žๅฝ’่ฏฆ่งฃ ็บฟๆ€งๅ›žๅฝ’ๅŽŸ็†ๅ…ฌๅผไปฃ็ ๅฎž็ŽฐๅฎŒๅ…จๆŒ‡ๅ— ๐ŸŒณ ๅ†ณ็ญ–ๆ ‘็ฎ—ๆณ•่ฏฆ่งฃ ๅ†ณ็ญ–ๆ ‘ID3/C4.5/CARTๅŽŸ็†ไธŽๅฎž็Žฐ ๐ŸŒฒ ้šๆœบๆฃฎๆž—่ฏฆ่งฃ ้šๆœบๆฃฎๆž—้›†ๆˆๅญฆไน ๅŽŸ็†ไธŽ่ฐƒๅ‚ๆŒ‡ๅ— ๐Ÿ“ SVM ๆ”ฏๆŒๅ‘้‡ๆœบ่ฏฆ่งฃ SVMๆ ธๅ‡ฝๆ•ฐ่ถ…ๅนณ้ขๅˆ†็ฑปๅŽŸ็†ไธŽๅฎž็Žฐ ๐Ÿ“ KNN ็ฎ—ๆณ•่ฏฆ่งฃ K่ฟ‘้‚ป็ฎ—ๆณ•ๅŽŸ็†่ท็ฆปๅบฆ้‡ไธŽๅฎž็Žฐ โฌ‡ ๆขฏๅบฆไธ‹้™่ฏฆ่งฃ ๆขฏๅบฆไธ‹้™SGD/Adamไผ˜ๅŒ–ๅ™จๅŽŸ็† ๐ŸŽฏ K-Means ่š็ฑป่ฏฆ่งฃ K-MeansๅŽŸ็†่‚˜้ƒจๆณ•ๅˆ™่ฝฎๅป“็ณปๆ•ฐ ๐Ÿš€ XGBoost ่ฏฆ่งฃ XGBoostๆขฏๅบฆๆๅ‡ๅŽŸ็†่ฐƒๅ‚ไธŽๅฎžๆˆ˜ โˆ‘ Mean, Median & Mode Compute mean, median & mode โˆ‘ Standard Deviation Calculate population & sample SD โˆ‘ Variance Calculator Calculate population & sample var โˆ‘ Correlation Coefficient Pearson/Spearman correlation