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r囂冱 t.tEst喘隈

paired=TRUETRUE辛參酒亟撹T吭房頁斤X才Y宸怏paired方象┥擁破(X_i,Y_i)辛參載徭隼仇怏撹匯斤遇(X_i,Y_j)(i』j)祥音嬬輝撹匯斤恂t殊刮軸斤侭嗤Y_i-X_i匆辛嬬頁X-Y梨阻頁陳倖阻怏撹議匯倖劔云恂t殊刮。 paired=FALSEFALSE辛參...

及匯、廣吭歌方 alternative = c("two.sided", "less", "greater") 低勣僉夲頁汽迦珊頁褒迦議 及屈、paired = T 飛頁撹斤方象 宸倖歌方哘乎頁T 及眉、潮範議歌方頁 var.euqal= F , 圭餓音犁 恷朔秀咏徭失音喘岾謬頂方 匯佩匯佩議梓孚慕貧...

諒籾購囚壓噐方象畠葎0宸劔壓麻t殊刮由柴戦扮凪蛍銚葎0絞誼欺NaN。 咀緩壓t.test譜崔販採歌方脅頁短嗤喘議低哘乎壓t.test岻嗤紗訳周登僅竃嶮瞞崘蘓 哘乎 枠綜 p>0.05嘉佩

mu a number indicating the true value of the mean (or difference in means if you are performing a two sample test). 峠譲峙 泌惚低喘議痕方頁t.test()

低喘議宸頁掲歌方議嵌殊刮輝隼W祥頁Wilcoxon議掲歌方由柴楚阻。隼朔柴麻字委W=17512孀云慕匯臥╂猖噸蓑蛍下燕岻窃議窟pvalue弌欺音佩 p-value < 2.2e-16 侭參詳蒸圻邪譜傍苧true location shift is not equal to 0

諒籾1t議峙頁t殊刮議潤惚df頁徭喇業p_value頁古楕 諒籾2z頁z殊刮醤悶議辛參為業匯和

R囂冱恂汽了功殊刮議曾倖圭隈 1、喘fUnitRoots淫嶄議UnitrootTests()才adfTest()。 2、喘tseries淫嶄議adf.test()才pp.test()。 喘隈脅児云窃貌辛參心匯和help議example。 R囂冱 R頁喘噐由柴蛍裂、紙夕議囂冱才荷恬桟廠。R頁奉噐GNU狼由議匯...

繍t.test()議潤惚隠贋和栖隼朔喘$憲催戻硲泌 res

x and y are both vectors with the same length. cor(x,y) would return the correlation coefficient.

cat痕方喘噐補竃欺翌何猟周 cat("av3=function(x){n=length(x)m=mean(x)d3=(x-m)^3sum(d3)/n} ",file="aa.r") cat("販吭忖憲",file=^猟周兆 ̄) 岻朔勣塰佩宸倖R祥亟匯鞘source("猟周兆")祥挫阻

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