[R] Display a dataframe

[David Winsemius]

On Jul 4, 2014, at 7:27 AM, Gang Chen wrote:

> I really your kind help! This is exactly what I was looking for  
> except that I need to get rid of the numbered row names.
>

Look at the documentation:

?print.data.frame

You cannot "get rid of" rownames in dataframes (at least as far as I  
know) but you _can_ print them without rownames.


-- 
David

> On July 3, 2014 9:57:00 PM EDT, arun <smartpink111 at yahoo.com> wrote:
>> Hi,
>> May be this helps:
>> nC <- max(nchar(row.names(dd)))
>>  term <- formatC(row.names(dd), width=-nC)
>> #or
>>  term <- sprintf("%-11s", row.names(dd))
>>
>>   dd1 <- setNames(data.frame(unname(dd), term,stringsAsFactors=F),
>> c(colnames(dd), formatC("term",width=-nC)))
>> dd1
>> #      # Chisq DF   Pr(>Chisq) term
>> #1 153.0216306  1 7.578366e-35 # Sex
>> #2  13.3696538  1 5.114571e-04 # Volume
>> #3   0.8476713  1 7.144239e-01 # Weight
>> #4   1.2196050  1 5.388764e-01 # Intensity
>> #5   2.6349405  1 2.090719e-01 # ISO
>> #6   6.0507714  1 2.780045e-02 # SEC
>>
>> A.K.
>>
>>
>>
>>
>>
>> On Thursday, July 3, 2014 3:57 PM, Gang Chen <gangchen6 at gmail.com>
>> wrote:
>> I have a matrix 'dd' defined as below:
>>
>> dd <- t(matrix(c(153.0216306,  1, 7.578366e-35,
>> 13.3696538,  1, 5.114571e-04,
>> 0.8476713,  1, 7.144239e-01,
>> 1.2196050,  1, 5.388764e-01,
>> 2.6349405,  1, 2.090719e-01,
>> 6.0507714,  1, 2.780045e-02), nrow=3, ncol=6))
>> dimnames(dd)[[2]] <- c('# Chisq', 'DF', 'Pr(>Chisq)')
>> dimnames(dd)[[1]] <- c('# Sex', '# Volume', '# Weight', '#  
>> Intensity',
>> '# ISO', '# SEC')
>>
>> 'dd' displays as the following:
>>
>>                 # Chisq DF   Pr(>Chisq)
>> # Sex       153.0216306  1 7.578366e-35
>> # Volume     13.3696538  1 5.114571e-04
>> # Weight      0.8476713  1 7.144239e-01
>> # Intensity   1.2196050  1 5.388764e-01
>> # ISO         2.6349405  1 2.090719e-01
>> # SEC         6.0507714  1 2.780045e-02
>>
>> I would like to display it as:
>>
>> # Chisq               DF   Pr(>Chisq)                        term
>> 153.0216306  1 7.578366e-35                            # Sex
>> 13.3696538  1 5.114571e-04                              # Volume
>> 0.8476713  1 7.144239e-01                                # Weight
>> 1.2196050  1 5.388764e-01                                # Intensity
>> 2.6349405  1 2.090719e-01                                # ISO
>> 6.0507714  1 2.780045e-02                                # SEC
>>
>> This is what I came up with
>>
>> (cc <- data.frame(data.frame(dd), term=dimnames(dd)[[1]]))
>>
>>                X..Chisq DF   Pr..Chisq.        term
>> # Sex       153.0216306  1 7.578366e-35       # Sex
>> # Volume     13.3696538  1 5.114571e-04    # Volume
>> # Weight      0.8476713  1 7.144239e-01    # Weight
>> # Intensity   1.2196050  1 5.388764e-01 # Intensity
>> # ISO         2.6349405  1 2.090719e-01       # ISO
>> # SEC         6.0507714  1 2.780045e-02       # SEC
>>
>> But I'm not happy with the following two issues:
>>
>> 1) How to get rid of the row names?
>> 2) The special characters of #, (, >,) in the column names are not
>> displayed correctly.
>>
>> Any suggestions?
>>
>> Thanks,
>> Gang


David Winsemius, MD
Alameda, CA, USA