datatable
v0.11.1
Getting Started
Installation
Getting started
Using datatable
User Guide
Name mangling
f
-expressions
Fread Examples
Grouping with
by
Row Functions
Comparison with R’s data.table
FTRL Model
API Reference
internal.
compiler_version()
frame_column_data_r()
frame_columns_virtual()
frame_integrity_check()
get_thread_ids()
in_debug_mode()
regex_supported()
math.
abs()
arccos()
arcosh()
arcsin()
arctan()
arsinh()
artanh()
atan2()
cbrt()
ceil()
copysign()
cos()
cosh()
deg2rad()
e
erf(x)
erfc(x)
exp(x)
exp2(x)
expm1(x)
fabs()
floor()
fmod()
gamma()
golden
hypot()
inf
isclose()
isfinite()
isinf()
isna()
ldexp()
lgamma()
log()
log10()
log1p()
log2()
logaddexp()
logaddexp2()
nan
pi
pow()
rad2deg()
rint()
round()
sign()
signbit()
sin()
sinh()
sqrt()
square()
tan()
tanh()
tau
trunc()
models.
Ftrl
.__init__()
.alpha
.beta
.colnames
.colname_hashes
.double_precision
.feature_importances
.fit()
.interactions
.labels
.lambda1
.lambda2
.model
.model_type
.model_type_trained
.mantissa_nbits
.nbins
.negative_class
.nepochs
.params
.predict()
.reset()
aggregate()
kfold()
kfold_random()
options.
debug
arg_max_size
enabled
logger
report_args
display
allow_unicode
head_nrows
interactive
max_column_width
max_nrows
tail_nrows
use_colors
frame
names_auto_index
names_auto_prefix
fread
log
progress
allow_interruption
callback
clear_on_success
enabled
min_duration
updates_per_second
nthreads
FExpr
.__add__()
.__and__()
.__bool__()
.__eq__()
.__floordiv__()
.__ge__()
.__gt__()
.__init__()
.__invert__()
.__le__()
.__lshift__()
.__lt__()
.__mod__()
.__mul__()
.__ne__()
.__neg__()
.__or__()
.__pos__()
.__pow__()
.__repr__()
.__rshift__()
.__sub__()
.__truediv__()
.__xor__()
.extend()
.len()
.re_match()
.remove()
Frame
.__init__()
.__copy__()
.__delitem__()
.__getitem__()
.__getstate__()
.__iter__()
.__len__()
.__repr__()
.__reversed__()
.__setitem__()
.__sizeof__()
.__str__()
.cbind()
.colindex()
.copy()
.export_names()
.head()
.key
.keys()
.ltypes
.materialize()
.names
.ncols
.nrows
.rbind()
.replace()
.shape
.sort()
.source
.stype
.stypes
.tail()
.to_csv()
.to_dict()
.to_jay()
.to_list()
.to_numpy()
.to_pandas()
.to_tuples()
.view()
ltype
.__new__()
.stypes
Namespace
.__getitem__()
.__getattribute__()
stype
.__call__()
.__new__()
.ctype
.dtype
.ltype
.max
.min
.struct
build_info
by()
cbind()
corr()
count()
cov()
cut()
dt
f
first()
fread()
g
init_styles()
ifelse()
intersect()
iread()
join()
last()
max()
mean()
median()
min()
qcut()
rowall()
rowany()
rowcount()
rowfirst()
rowlast()
rowmax()
rowmean()
rowmin()
rowsd()
rowsum()
rbind()
repeat()
sd()
setdiff()
shift()
sort()
split_into_nhot()
symdiff()
sum()
union()
unique()
update()
Development
Contributing
Contributing documentation
Creating a new FExpr
Release History
Version 0.11.1
Version 0.11.0
Version 0.10.1
Version 0.10.0
Version 0.9.0
Version 0.8.0
Version 0.7.0
Version 0.6.0
Version 0.5.0
Version 0.4.0
Version 0.3.2
Version 0.3.1
Version 0.3.0
Version 0.2.2
Version 0.2.1
Contributors
datatable
»
datatable API
»
datatable.math
»
lgamma – datatable.math.
Edit on GitHub
datatable.math.lgamma()
¶
datatable.math.
lgamma
(
x
)
source
Natural logarithm of the absolute value of the Euler Gamma function of
x
.
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v: v0.11.1
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