[R-sig-eco] How to include math symbols in a data frame

[Manuel Spínola]

Dear list members,

I am trying to make a table with math symbols, specifically, less than or
equal to symbol:

column1 <- c("a", "b", "c")
column2 <- c("less than or equal to" 0.3, 0.5, 0.8)
column3 <- c("less than or equal to" 0.5, 0.6, 0.9)

table <- data.frame(columna1, columna2, columna3)

kable(table)

How can I include the math symbol in the table?

Manuel
-- 
*Manuel Spínola, Ph.D.*
Instituto Internacional en Conservación y Manejo de Vida Silvestre
Universidad Nacional
Apartado 1350-3000
Heredia
COSTA RICA
mspinola at una.cr <mspinola at una.ac.cr>
mspinola10 at gmail.com
Teléfono: (506) 8706 - 4662
Personal website: Lobito de río <https://sites.google.com/site/lobitoderio/>
Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/>

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