Kable row names

All data frames have a row names attribute, a character vector of length the number of rows with no duplicates nor missing values.

For convenience, these are generic functions for which users can write other methods, and there are default methods for arrays. The description here is for the data. This function only exists as workaround as we cannot easily change the row.

It should have after coercion the same length as the number of rows of x with no duplicated nor missing values. A data frame has by definition a vector of row names which has length the number of rows in the data frame, and contains neither missing nor duplicated values. Use attr x, "row. All zero-row data frames are regarded as having automatic row. Chambers, J. Chapter 3 of Statistical Models in S eds J. Chambers and T. For more information on customizing the embed code, read Embedding Snippets.

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row.names: Get and Set Row Names for Data Frames

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Create Awesome HTML Table with knitr::kable and kableExtra

The goal of kableExtra is to help you build common complex tables and manipulate table styles. There is also a Chinese version of this vignette.

How to Change Excel's Column Name : Using Microsoft Excel

You can find it here. This is the most favorable approach to render most simple tables as it is format independent. For example, if you want to have a double-row header table, markdown just cannot provide you the functionality you need. You can also define a global option at the beginning using options knitr. Starting from kableExtra 0. You no longer need to manually set either the global option or the format option in each kable function.

Note that this is only an global option. You can manually set any format in kable whenever you want. I just hope you can enjoy a peace of mind in most of your time. You can disable this behavior by setting options kableExtra. Basic HTML output of kable looks very crude. If you are familiar with twitter bootstrap, you probably have already known its predefined classes, including stripedborderedhovercondensed and responsive. If you are not familiar, no worries, you can take a look at their documentation site to get a sense of how they look like.

All of these options are available here. For example, to add striped lines alternative row colors to your table and you want to highlight the hovered row, you can simply type:.

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It has slightly shorter row height. Tables with option responsive looks the same with others on a large screen. However, on a small screen like phone, they are horizontally scrollable. Please resize your window to see the result.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here.

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My data frame has ugly column names, but when displaying the table in my report, I want to their "real" names including special characters ' ', new lines, greek letters, repeated names, etc. Some advice I've seen says to use:. If I use col. Here's a code chunk to illustrate:. I am not sure where you got the advice to replace rownames, but it seems excessively complex.

It is much easier just to use the built-in col. PDF output :. HTML output :. Learn more.

kable row names

Asked 1 year, 9 months ago. Active 1 year, 9 months ago. Viewed 16k times. Is there an easy way of replacing the names in knitr to allow such formatting? Michael Harper 9, 1 1 gold badge 39 39 silver badges 58 58 bronze badges. Dr Dave Dr Dave 1 1 gold badge 1 1 silver badge 9 9 bronze badges. What output format do are you wanting your table in? I want a general solution that works for both, if that's possible. Active Oldest Votes.This is a very simple table generator. It is simple by design.

It is not intended to replace any other R packages for making tables.

kable row names

A character string. Possible values are latexhtmlmarkdownpandocand rst ; this will be automatically determined if the function is called within knitr ; it can also be set in the global option knitr. If format is a function, it must return a character string.

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Maximum number of digits for numeric columns, passed to round. This can also be a vector of length ncol xto set the number of digits for individual columns. Logical: whether to include row names. By default, row names are included if rownames x is neither NULL nor identical to 1:nrow x.

The table reference label. A list of arguments to be passed to format to format table values, e. Missing values NA in the table are displayed as NA by default.

If you want to display them with other characters, you can set the option knitr. When using kable as a top-level expression, you do not need to explicitly print it due to R's automatic implicit printing. When it is wrapped inside other expressions such as a for loopyou must explicitly print kable Rnw for some examples in LaTeX, but they also apply to other document formats.

Other R packages such as huxtablextablekableExtraand tables for HTML and LaTeX tables, and ascii and pander for different flavors of markdown output and some advanced features and table styles. Created by DataCamp. Community examples kkk naver. Post a new example: Submit your example.

API documentation. Put your R skills to the test Start Now.The kable function in knitr is a very simple table generator, and is simple by design. It only generates tables for strictly rectangular data such as matrices and data frames. You cannot heavily format the table cells or merge cells.

However, this function does have a large number of arguments for you to customize the appearance of tables:.

In most cases, knitr::kable x may be enough if you only need a simple table for the data object x. The format argument is automatically set according to the knitr source document format.

Its possible values are latexhtmlmarkdownpandocand rst. For R Markdown documents, kable uses the pandoc format for tables by default, which looks like this:.

Please note that only the formats pandoc and markdown are portable, i. Other table formats only work for specific output formats, e.

Using a specific table format will give you more control, at the price of sacrificing portability.

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If you only need one table format that is not the default format for a document, you can set the global R option knitr. This option can also be a function that returns the format string or NULL. In the case of NULLknitr will try to automatically decide the appropriate format.

For example, we can use the latex format only when the output format is LaTeX:. The names of columns in a data frame may not be the same as what we want to display to readers. In R, the column names of data often do not use spaces to separate words but dots or underscores instead, which may not feel natural when we read them in a table.

We can use the the col. For example, we substitute the dots with spaces in the column names of the iris data:. To change the alignment of the table columns, you can use either a vector of values consisting of characters l leftc centerand r right or a single multi-character string for alignment, so kable By default, numeric columns are right-aligned, and other columns are left-aligned.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

It only takes a minute to sign up. I am using knitr to generate pdfs that contain tables that I'm making with xtable. How can I wrap the text in these tables?

How can I wrap this text so that the table fits on a normal size page without having to resort to using the scalebox parameter of print? The only change made is for the parameter align.

kable row names

Rest is self explanatory. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Wrap text from xtable row names with knitr Ask Question.

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Get rid of row names in R

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Feedback on Q2 Community Roadmap. Related 3. Hot Network Questions. Question feed.By Andrie de Vries, Joris Meys. A two-way table is a table that describes two categorical data variables together, and R gives you a whole toolset to work with two-way tables. They contain the number of cases for each combination of the categories in both variables.

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The analysis of categorical data always starts with tables. But first, you have to create the tables. For example, you want to know how many cars have three, four, or five gears, but split up for cars with automatic gearboxes and cars with manual gearboxes. You can do this again with using the table function with two arguments, like this:. The levels of the variable you give as the first argument are the row names, and the levels of the variable you give as the second argument are the column names.

In the table, you get the counts for every combination. For example, you can count 15 cars with manual gearboxes and three gears.

kable row names

Researchers also use tables for more serious business, like for finding out whether a certain behavior like smoking has an impact on the risk of getting an illness for example, lung cancer. This way you have four possible cases: risk behavior and sick, risk behavior and healthy, no risk behavior and healthy, or no risk behavior and sick. Often the result of such a study consists of the counts for every combination.

If you have the counts for every case, you can very easily create the table yourself, like this:. A table like trial. One variable indicates if the person is sick or healthy, and the other variable indicates whether the person shows risky behavior. Although tables and matrices are two different beasts, you can treat a two-way table like a matrix in most situations. This becomes handy if you want to extract values from the table.

If you want to know how many people were sick and showed risk behavior, you simply do the following:. With over 20 years of experience, he provides consulting and training services in the use of R. Related Book R For Dummies.