如何繪製字與時間的頻率，並將時間變量分組爲月/年和年R

我有一個文檔術語矩陣，其頻率> 600個字，並且有相應的日期（mm/dd/yyyy）對於每個頻率值：如何繪製字與時間的頻率，並將時間變量分組爲月/年和年R

 > head(mydata3,3) 
    Claim.Number Note.Date LOSSDATE DATEREPORTED 
1  106810 7/10/1998 12/9/1997 12/29/1997 
2  106810 7/21/1998 12/9/1997 12/29/1997 
3  106810 10/21/1999 12/9/1997 12/29/1997 
    DATEENTERED Row Topic absenc abus academ access 
1 1/5/1998 3  4  0 0  0  0 
2 1/5/1998 4  2  0 0  0  0 
3 1/5/1998 8 11  0 0  0  0 
    accid accommod account accus act action activ add 
1  0  0  0  0 0  0  0 0 
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3  0  0  0  0 0  0  0 0 
    addit addl adequ adjust administr admiss advanc 
1  0 0  0  0   0  0  0 
2  0 0  0  0   0  0  0 
3  0 0  0  0   0  0  0 
    advers advic african age agenc agreement aid ambul 
1  0  0  0 0  0   0 0  0 
2  0  0  0 0  0   0 0  0 
3  0  0  0 0  0   0 0  0 
    amount analysi ankl answer anticip appeal appel 
1  0  0 0  0  0  0  0 
2  0  0 0  0  0  2  0 
3  0  0 0  0  0  1  0 
    appli applic appoint appropri approv approxim arbitr 
1  0  0  0  1  0  0  0 
2  0  0  0  0  0  0  0 
3  0  0  0  0  0  0  0 
    argu argument aris arm arrang arriv asap assault 
1 0  0 0 0  0  0 0  0 
2 0  0 0 0  0  0 0  0 
3 0  0 1 0  0  0 0  0 
    assert assess assist athlet attach attent audit auto 
1  0  0  0  0  0  2  0 0 
2  0  0  0  0  0  0  0 0 
3  0  0  0  0  0  0  0 0 
    avoid await award background balanc ball bar basi 
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2  0  0  0   0  0 0 0 0 
3  0  0  0   0  0 0 0 0 
    benefit big bill black board breach break. brief 
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    broken broker budget build bus busi call campus cap 
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3  0  0  0  0 0 0 0  0 0 
    car care carrier center cgl chair chang charg child 
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    children circuit cite citi civil clean client clinic 
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    close closur cmc coach code collect commit committe 
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2  0  0 0  0 0  0  0  0 
3  0  0 0  0 0  0  0  0 
    communic compani compar compel compens complain 
1  0  0  0  0  0  0 
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3  0  0  0  0  0  0 
    complet conclud condit conduct conf confer confid 
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    conflict connect construct consult contact contend 
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    contract contractor contribut control convers 
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    convinc cooper coordin copi correct cost counter 
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3  0  0  0 1  0 0  0 
    counti cours court cover coverag creat credibl 
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3  0  0  0  0  0  0  0 
    credit crimin cross cut damag danger deadlin deal 
1  0  0  0 0  0  0  0 0 
2  0  0  0 0  0  0  0 0 
3  0  0  0 0  0  0  0 0 
    dean death decis declin deduct defam defect defend 
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    degre delay demand deni denial depart depos deposit 
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    driver drop due earlier earn educ eeoc effort ell 
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    els email emot employ employe encourag end endors 
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3 0  0 0  1  2  0 1  0 
    enrol entitl environ estim evalu event evid exam 
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3  0  0  0  0  0  0 0 2 
    examin exceed excess exchang exclus execut expens 
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    experi expert expir exposur extend extens extent 
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    extrem eye face facil faculti fail failur fall fals 
1  0 0 0  0  0 0  0 0 0 
2  0 0 0  0  1 2  1 0 0 
3  0 0 0  0  0 3  0 0 0 
    fault favor fax feder fee fell femal field fight 
1  0  0 0  0 0 0  0  0  0 
2  0  0 0  0 0 0  0  0  0 
3  0  0 0  0 0 0  0  0  0 
    final financi finish fire firm floor focus foot forc 
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    form formal former forward fractur free fund futur 
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3 0  0 0  1  1  0  0  0 
    group hand happi harass head health hear held higher 
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3  0 0  0  0 0  0 0 0  0 
    hire histori hit hold home hospit hostil hous human 
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3 0  0 0 0 0  0  0 0  0 
    ice identifi immedi immun impact import impress 
1 0  0  0  0  0  0  0 
2 0  0  0  0  0  0  0 
3 0  0  0  0  0  0  0 
    improv inappropri inclin incur indemn individu injur 
1  0   0  0  0  0  0  0 
2  0   0  0  0  0  0  0 
3  0   0  0  0  0  0  0 
    injuri inquir inquiri inspect instruct intent 
1  0  0  0  0  0  0 
2  0  0  0  0  0  0 
3  0  0  0  0  0  0 
    interest intern invoic job joint judg judgment juri 
1  0  0  0 0  0 0  0 0 
2  0  0  0 0  0 0  0 0 
3  0  1  0 0  0 0  0 0 
    jurisdict key knee knowledg lacer lack larg latest 
1   0 0 0  0  0 0 0  0 
2   0 0 0  0  0 0 0  0 
3   0 0 0  0  0 0 0  0 
    law lawyer layer learn leav leg legal letter level 
1 0  0  0  0 0 0  0  1  0 
2 0  1  0  0 0 0  0  0  0 
3 0  0  0  0 0 0  0  0  0 
    liabil lien life limit litig live lmtcb local lose 
1  0 0 0  0  0 0  0  0 0 
2  0 0 0  0  0 0  0  0 0 
3  0 0 0  0  0 0  0  0 0 
    loss lost low mail mainten major male manag materi 
1 0 0 0 0  0  0 0  0  0 
2 0 0 0 0  0  0 0  0  0 
3 0 0 0 0  0  0 0  0  0 
    mcad med mediat medic medicar meet memo merit messag 
1 0 0  0  0  0 0 0  0  0 
2 0 0  0  0  0 0 0  0  0 
3 0 0  0  0  0 2 0  0  0 
    million minor mom money monitor motion msj mtd 
1  0  0 0  0  0  0 0 0 
2  0  0 0  0  0  0 0 0 
3  0  0 0  0  0  0 0 0 
    nation near neck neglig negoti news noth notic 
1  1 0 0  0  0 0 0  0 
2  0 0 0  0  0 0 0  0 
3  0 0 0  0  0 0 0  0 
    notifi numer nurs object oblig ocr offer offici ongo 
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    open oper opinion opportun oppos opposit oral order 
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    origin outlin outstand owe paid pain park parti 
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    partner pass pay payment pend perman personnel petit 
1  0 1 0  0 0  0   0  0 
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    phone photo physic physician pictur plan player 
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    plead poa polic polici poor postpon potenti practic 
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    preliminari premis prepar pres presid press pressur 
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    prevail prevent primari privat proceed product 
1  0  0  0  0  0  0 
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    profession professor progress project promis promot 
1   0   0  0  0  0  0 
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    proper properti propos protect provis provost pull 
1  0  0  0  0  0  0 0 
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    punit pursu push qualifi quick quiet quit race rais 
1  0  0 0  0  0  0 0 0 0 
2  0  0 0  0  0  0 0 0 0 
3  0  0 0  0  0  0 0 0 0 
    rang rate reach recal receipt recov recoveri rediari 
1 0 0  0  0  0  0  0  0 
2 0 0  0  0  0  0  0  0 
3 0 0  0  0  0  0  0  0 
    reduc reimburs reinsur reject relationship releas 
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1  0  0  0  0  0  0 0  0 
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    repeat. replac repli repres represent research 
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    reserv resid resign resolut resolv respect respond 
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1 0  0  0  0  0  0  0  2 
2 0  0  0  0  0  0  0  0 
3 0  0  0  0  0  0  0  1 
    revis risk role ror rts rule run safeti salari 
1  0 0 0 0 0 0 0  0  0 
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    schedul search section secur select semest separ 
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    situat slip small snow speak spent split staff stage 
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1  0  0  0  0  0  0  0  0 
2  0  0  0  0  0  0  0  0 
3  1  0  0  0  0  0  0  0 
    xsolx 
1  0 
2  0 
3  0

我試圖按月份/年份和年份對頻率值進行分組。例如，對於「上訴」這個詞，不是在1998年1月5日發生了2次，而是在1998年5月1日發生了另一次發生，我想在1998年1月發生3次，然後發生3次假設一年中其餘時間沒有更多的點擊）。然後我想繪製每月/每年/每月/每年的頻率，以及每年與每年的頻率。

我試圖通過月/年使用下面的代碼組：

df %>% 
     mutate(month_year = format(date, "%Y/%m")) %>% 
     group_by(month_year) %>% 
     summarise(total = sum(vocabfreq))

其中值均列文字的原始數據集的頻率。另一個問題是我的數據集非常大，我很難在一個顯示特色的圖表上繪製多個系列。

來源

2015-10-20 Learning_R

的xts方法：

library(xts) 
dat <- data.frame(date=c('7/10/2014', '7/10/2014', '7/11/2014', '8/05/2015', '9/21/2015'), 
        word1= c(1,2,1, 4, 3), word2=c(3, 10, 1, 2, 4)) 
dates <- as.POSIXct(dat$date, format='%m/%d/%Y') 
dat.xts <- xts(subset(dat, select= -date), order.by=dates) 
apply.daily(dat.xts, colSums) 
apply.monthly(dat.xts, colSums)

來源

2015-10-20 14:39:37 DunderChief

當我嘗試這個，日期列不包括在數據框？ –

這不是一個data.frame，它是一個xts對象。日期可以通過'index（dat.xts）'來檢索。這是處理日期數據的更有效的方法。 – DunderChief

另外，如果在您的問題中提供一個可重複的示例，那麼我們可以使用您的數據給出一個示例。請參閱'？dput' – DunderChief

您應該使用summarise_each，而不是summarise。順便說一句，我使用@DunderChief的代碼來生成數據。謝謝你。

dat <- data.frame(date=c('7/10/2014', '7/10/2014', '7/11/2014', '8/05/2015', '9/21/2015'), 
       word1= c(1,2,1, 4, 3), word2=c(3, 10, 1, 2, 4)) 
library(dplyr) 

dat %>% 
    mutate(date = as.Date(date, format='%m/%d/%Y')) %>% 
    group_by(date) %>% 
    summarise_each(funs(sum(.)))

來源

2015-10-20 14:45:46 Hao

當我在我的數據集上嘗試這個時，我得到一個錯誤：沒有爲「日期」對象定義總和 –

@Learning_R哦，原因是你在數據文件中有其他日期列，而'.'表示除分組列以外的每一列。您不能在這些日期對象上使用'sum' – Hao

@Learning_R您應該將所有日期列放入group_by中，或者考慮組織日期列的好方法。 – Hao

如何繪製字與時間的頻率，並將時間變量分組爲月/年和年R

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