def hashfeatures$($baby$,$ d$,$ FIX, debug$=$False$)$:

$"""$

Input:

baby : a string representing the baby's name to be hashed

d: the number of dimensions to be in the feature vector

FIX: the number of chunks to extract and hash from each string

debug: a bool for printing debug values $($default False$)$

Output:

v: a feature vector representing the input string

$"""$

v $=$ np$.$zeros$($d$)$

for m in range$(1,$ FIX$+1)$:

prefix $=$ baby$[$:m$]+">"$

P $=$ hash$($prefix$)\%$ d

v$[$P$]=1$

suffix $="<"+$ baby$[-$m:$]$

S $=$ hash$($suffix$)\%$ d

v$[$S$]=1$

if debug:

print$($f$"$Split $\{$m$\}/\{$FIX$\}$:$\backslash$t$(\{$prefix$\},\{$suffix$\}),\backslash$t$1$s at indices $[\{$P$\},\{$S$\}]")$

if debug:

print$($f$"$Feature vector for $\{$baby$\}$:

$\{$v$.$astype$($int$)\}$

$")$

return v