R璇█涓嚑涓父鐢ㄧ殑鏁板鍔熻兘

Posted 2021-04-18 鍠勬€濊€?/a> R璇█

馃憜 鐐瑰嚮钃濆瓧灏卞彲浠ュ叧娉?/span> "鍠勬€濊€? 鍝~

 

锛?/span> Hi锛佸浣曟妸R褰撹绠楀櫒鐢紒浠婂ぉ浠嬬粛R涓嚑涓父鐢ㄧ殑鏁板璁＄畻鍔熻兘锛坒unction锛夈€?/span>

鍦ㄥ仛缁熻鎻忚堪鎴栬€呮暟鎹浆鎹㈢殑鏃跺€欙紝缁忓父闇€瑕佺敤鍒拌澶氭暟瀛﹁绠楃殑浠ｇ爜锛堬級銆?br class="mq-48">

姣斿璁＄畻鎬诲拰锛岃嚜鐒跺鏁帮紝鍧囨暟绛夈€?/span>

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渚?. x 

# x x <- 1:10

銆愭敞閲娿€?/span>

1. 绗簩琛岋細鍒涘缓浜嗕粠1鍒?0鐨勬暣鏁帮紝闂撮殧涓?銆?/span>

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渚?. 缁熻鎻忚堪 

# 缁熻鎻忚堪# 鎬诲拰sum(x)# 鍧囨暟mean(x)# 涓綅鏁?/span>median(x)# 鍥涘垎浣嶆暟quantile(x)# 鏂瑰樊 var(x)# 鏍囧噯宸?/span>sd(x)

銆愭敞閲娿€?nbsp;  

1. 涓婅堪鐨勪唬鐮侀渶瑕佺墷璁帮紝鍥犱负鍦ㄤ互鍚庣殑鏁版嵁鍒嗘瀽涓細缁忓父鐢ㄥ埌銆?/span>

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璁＄畻鏈€灏忓€硷紝鏈€澶у€间笌鏁版嵁鑼冨洿銆?/span>

渚?. x 

# 鏈€灏忓€?/span>min(x)# 鏈€澶у€?/span>max(x)# 鏁版嵁鑼冨洿range(x)

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1. 涓婅堪鍑犱釜浠ｇ爜浜嗚В鏁版嵁鐨勬渶灏忓€硷紝鏈€澶у€硷紝涓庢暟鎹寖鍥淬€?/span>

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鑷劧瀵规暟銆?/span>

渚?. log 

# 鑷劧瀵规暟log(x)[1] 0.0000000 0.6931472 1.0986123 1.3862944 1.6094379 1.7917595 1.9459101 [8] 2.0794415 2.1972246 2.3025851

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1. log()瀹炵幇瀵规暟杞崲銆?/span>

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鎸囨暟杞崲銆?/span>

渚?. 鎸囨暟 

# 鎸囨暟杞崲exp(x)[1] 2.718282 7.389056 20.085537 54.598150 148.413159 [6] 403.428793 1096.633158 2980.957987 8103.083928 22026.465795

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濡備綍璁＄畻涓や釜鍙橀噺鐨勭浉鍏崇郴鏁帮紵

渚?. 鐩稿叧 

# 鍒涘缓鍙︿竴涓彉閲弝y <- c(1:5, 3:7)# 鐩稿叧绯绘暟cor(x, y)[1] 0.904534

  

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1. cor()鍙互璁＄畻涓や釜鏁版嵁鐨勭浉鍏崇郴鏁帮紝榛樿鎸噋earson鐩稿叧绯绘暟銆傚鏋滄兂瑕佽绠梥pearman鐩稿叧绯绘暟锛屽彲浠ヤ慨鏀规垚锛?/span> cor(x, y, method = "spearman") 銆?/strong>

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浠婂ぉ灏卞埌姝や负姝紝鏁鏈熷緟鏇村绮惧僵鍐呭銆?/span>

鍒嗕韩鏄叧鐖憋紒璇峰叧娉ㄧ偣璧炲垎浜摝銆?/span>

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鎵弿浜岀淮鐮佹洿绮惧僵

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