laf-package | Fast access to large ASCII files |
$-method | Class "laf" |
begin | Return to the beginning of the file. |
begin-method | Class "laf" |
begin-methods | Return to the beginning of the file. |
close-method | Class "laf" |
colfreq | Calculate simple statistics of columns |
colfreq-method | Calculate simple statistics of columns |
colmean | Calculate simple statistics of columns |
colmean-method | Calculate simple statistics of columns |
colnmissing | Calculate simple statistics of columns |
colnmissing-method | Calculate simple statistics of columns |
colrange | Calculate simple statistics of columns |
colrange-method | Calculate simple statistics of columns |
colsum | Calculate simple statistics of columns |
colsum-method | Calculate simple statistics of columns |
current_line | Get the current line in the file. |
current_line-method | Class "laf" |
current_line-methods | Get the current line in the file. |
data_model | Read and write data models for LaF |
detect_dm_csv | Automatically detect data models for CSV-files |
determine_nlines | Determine number of lines in a text file |
get_lines | Read in specified lines from a text file |
goto | Go to specified line in the file |
goto-method | Class "laf" |
goto-methods | Go to specified line in the file |
laf | Fast access to large ASCII files |
laf-class | Class "laf" |
laf_column-class | Class "laf_column" |
laf_open | Create a connection to a file using a data model. |
laf_open_csv | Create a connection to a comma seperated value (CSV) file. |
laf_open_fwf | Create a connection to a fixed width file. |
levels-method | Class "laf" |
levels-method | Class "laf_column" |
levels<--method | Class "laf" |
levels<--method | Class "laf_column" |
names-method | Class "laf" |
names<--method | Class "laf" |
ncol-method | Class "laf" |
next_block | Read the next block of data from a file. |
next_block-method | Class "laf" |
next_block-method | Class "laf_column" |
next_block-methods | Read the next block of data from a file. |
nrow-method | Class "laf" |
process_blocks | Blockwise processing of blocks. |
process_blocks-method | Class "laf" |
process_blocks-methods | Blockwise processing of blocks. |
read_dm | Read and write data models for LaF |
read_dm_blaise | Read in Blaise data models |
read_lines | Read lines from the file |
read_lines-method | Class "laf" |
read_lines-method | Class "laf_column" |
read_lines-methods | Read lines from the file |
sample_lines | Read in random lines from a text file |
show-method | Class "laf" |
show-method | Class "laf_column" |
stats | Calculate simple statistics of columns |
write_dm | Read and write data models for LaF |
[-method | Class "laf" |
[-method | Class "laf_column" |
[[-method | Class "laf" |