IPLR measures/properties | ||||||||

Variable | Measure/Property | Description | Format | NUM | TXT | SEL | FIND | COMBO |

spel | Spelling | A sequence of letters that spells the word. | %s | YES | YES | YES | YES | YES |

phon | Phonetic | A sequence of phonemes corresponding to the pronunciation of the word. The symbols used are plain lowercase and uppercase letters, to facilitate processing and display. | %s | YES | YES | NO | NO | NO |

freq | Frequency | The frequency of occurrence of this word form (letter sequence) in the selected corpus, per million words (tokens). | %.3f | YES | NO | YES | YES | YES |

CVtyp | CV types | The phonotactic structure of the word's pronunciation expressed by classifying each phoneme as consonant or vowel. | %s | YES | YES | NO | YES | YES |

Nlet | N letters | The number of letters in the word's spelling. | %i | YES | NO | YES | YES | YES |

Nphon | N phonemes | The number of phonemes in the word's pronunciation. | %i | YES | NO | YES | YES | YES |

Nsyl | N syllables | The number of syllables in the word's pronunciation, equal to the number of vowels. | %i | YES | NO | YES | YES | YES |

StrSyl | Stressed syllable | The syllable (counting from the end) bearing phonological stress. 1=final, 2=penult, 3=antepenult, 0=unstressed; In case of double stress it is the list [1,3]. | %i | YES | NO | YES | YES | YES |

UniqueSpe | Orthographic uniqueness point (letter position) | The leftmost letter position at which there are no matching words (starting from the beginning); an orthographic analogue for the recognition point. Exceeds word length when fully overlapping words exist. | %i | YES | NO | YES | YES | YES |

UniquePho | Phonological uniqueness point (phoneme position) | The leftmost phoneme position at which there are no matching words (starting from the beginning); for words, this is the recognition point, when there are no competitors left in the cohort. Exceeds word length when fully overlapping words exist. | %i | YES | NO | YES | YES | YES |

BGtokfreqLet | Logmean bigram token frequency (letters only) | The mean logarithmic token frequency of letter pairs in the word's spelling, in occurrences per million tokens. | %.3f | YES | NO | YES | YES | YES |

BGtokfreqLetS | Logmean bigram token frequency (letters & ends) | The mean logarithmic token frequency of letter pairs in the word's spelling, including surrounding spaces (word ends), in occurrences per million tokens. | %.3f | YES | NO | YES | YES | YES |

BGtokprobLet | Cumulative bigram token probability (letters) | The cumulative conditional probability of each letter in the word given the previous one, including surrounding spaces, based on token counts. | %.2f | YES | NO | YES | YES | YES |

BGtokfreqPho | Logmean bigram token frequency (phonemes only) | The mean logarithmic token frequency of phoneme pairs in the word's pronunciation, in occurrences per million tokens. | %.3f | YES | NO | YES | YES | YES |

BGtokfreqPhoS | Logmean bigram token frequency (phonemes & ends) | The mean logarithmic token frequency of phoneme pairs in the word's pronunciation, including surrounding silence (word ends), in occurrences per million tokens. | %.3f | YES | NO | YES | YES | YES |

BGtokprobPho | Cumulative bigram token probability (phonemes) | The cumulative conditional probability of each phoneme in the word given the previous one, including surrounding silence, based on token counts. | %.2f | YES | NO | YES | YES | YES |

BGtypfreqLet | Logmean bigram type frequency (letters only) | The mean logarithmic type frequency of letter pairs in the word's spelling, in occurrences per million types. | %.3f | YES | NO | YES | YES | YES |

BGtypfreqLetS | Logmean bigram type frequency (letters & ends) | The mean logarithmic type frequency of letter pairs in the word's spelling, including surrounding spaces (word ends), in occurrences per million types. | %.3f | YES | NO | YES | YES | YES |

BGtypprobLet | Cumulative bigram type probability (letters) | The cumulative conditional probability of each letter in the word given the previous one, including surrounding spaces, based on type counts. | %.2f | YES | NO | YES | YES | YES |

BGtypfreqPho | Logmean bigram type frequency (phonemes only) | The mean logarithmic type frequency of phoneme pairs in the word's pronunciation, in occurrences per million types. | %.3f | YES | NO | YES | YES | YES |

BGtypfreqPhoS | Logmean bigram type frequency (phonemes & ends) | The mean logarithmic type frequency of phoneme pairs in the word's pronunciation, including surrounding silence (word ends), in occurrences per million types. | %.3f | YES | NO | YES | YES | YES |

BGtypprobPho | Cumulative bigram type probability (phonemes) | The cumulative conditional probability of each phoneme in the word given the previous one, including surrounding silence, based on type counts. | %.2f | YES | NO | YES | YES | YES |

mSylFreqTokPh | Mean syllable token frequency, phonetic | The mean token frequency of the word's phonological syllables, in occurrences per million tokens. | %.3f | YES | NO | YES | YES | YES |

mSylFreqTokSp | Mean syllable token frequency, spelling | The mean token frequency of the word's orthographic syllables, in occurrences per million tokens. | %.3f | YES | NO | YES | YES | YES |

mSylFreqTokC | Mean syllable token frequency, CV type | The mean token frequency of the word's syllable types, in occurrences per million tokens. | %.3f | YES | NO | YES | YES | YES |

mSylFreqTypPh | Mean syllable type frequency, phonetic | The mean type frequency of the word's phonological syllables, in occurrences per million types. | %.3f | YES | NO | YES | YES | YES |

mSylFreqTypSp | Mean syllable type frequency, spelling | The mean type frequency of the word's orthographic syllables, in occurrences per million types. | %.3f | YES | NO | YES | YES | YES |

mSylFreqTypC | Mean syllable type frequency, CV type | The mean type frequency of the word's syllable types, in occurrences per million types. | %.3f | YES | NO | YES | YES | YES |

nNeiPho | N phonological neighbors (standard: replace only) | The number of standard phonological neighbors of the word (same-length words that differ in exactly one phoneme). | %i | YES | NO | YES | YES | YES |

nNeiSpe | N orthographic neighbors (standard: replace only) | The number of standard orthographic neighbors of the word (same-length words that differ in exactly one letter). | %i | YES | NO | YES | YES | YES |

NeiFreqPho | F (sum) phonological neighbors (standard: replace only) | The total frequency (occurrences per million) of all standard phonological neighbors of the word | %.2f | YES | NO | YES | YES | YES |

NeiFreqSpe | F (sum) orthographic neighbors (standard: replace only) | The total frequency (occurrences per million) of all standard orthographic neighbors of the word | %.2f | YES | NO | YES | YES | YES |

mNeiFreqPho | F (logmean) phonological neighbors (standard: replace only) | The logarithmic mean frequency of all standard phonological neighbors of the word, in occurrences per million. | %.3f | YES | NO | YES | YES | YES |

mNeiFreqSpe | F (logmean) orthographic neighbors (standard: replace only) | The logarithmic mean frequency of all standard orthographic neighbors of the word, in occurrences per million. | %.3f | YES | NO | YES | YES | YES |

nNeiFPho | N (>F) phonological neighbors (standard: replace only) | The number of standard phonological neighbors of the word with higher frequency than the word. | %i | YES | NO | YES | YES | YES |

nNeiFSpe | N (>F) orthographic neighbors (standard: replace only) | The number of standard orthographic neighbors of the word with higher frequency than the word. | %i | YES | NO | YES | YES | YES |

nNeiRDITPho | N phonological neighbors (replace,delete,insert,transpose) | The number of R-D-I-T phonological neighbors of the word (words differing by a single phoneme replacement, deletion, insertion, or transposition). | %i | YES | NO | YES | YES | YES |

nNeiRDITSpe | N orthographic neighbors (replace,delete,insert,transpose) | The number of R-D-I-T orthographic neighbors of the word (words differing by a single letter replacement, deletion, insertion, or transposition). | %i | YES | NO | YES | YES | YES |

NeiRDITFreqPh | F (sum) phonological neighbors (replace,delete,insert,transpose) | The total frequency (occurrences per million) of all R-D-I-T phonological neighbors of the word | %.2f | YES | NO | YES | YES | YES |

NeiRDITFreqSp | F (sum) orthographic neighbors (replace,delete,insert,transpose) | The total frequency (occurrences per million) of all R-D-I-T orthographic neighbors of the word | %.2f | YES | NO | YES | YES | YES |

mNeiRDITFreqP | F (logmean) phonological neighbors (replace,delete,insert,transpose) | The logarithmic mean frequency of all R-D-I-T phonological neighbors of the word, in occurrences per million. | %.3f | YES | NO | YES | YES | YES |

mNeiRDITFreqS | F (logmean) orthographic neighbors (replace,delete,insert,transpose) | The logarithmic mean frequency of all R-D-I-T orthographic neighbors of the word, in occurrences per million. | %.3f | YES | NO | YES | YES | YES |

nNeiRDITFPho | N (>F) phonological neighbors (replace,delete,insert,transpose) | The number of R-D-I-T phonological neighbors of the word with higher frequency than the word. | %i | YES | NO | YES | YES | YES |

nNeiRDITFSpe | N (>F) orthographic neighbors (replace,delete,insert,transpose) | The number of R-D-I-T orthographic neighbors of the word with higher frequency than the word. | %i | YES | NO | YES | YES | YES |

OLD20 | Orthographic Levenshtein distance 20 | The mean orthographic Levenshtein distance (edit distance in terms of letters) of the 20 nearest words in the corpus. | %.3f | YES | NO | YES | YES | YES |

PLD20 | Phonological Levenshtein distance 20 | The mean phonological Levenshtein distance (edit distance in terms of phonemes) of the 20 nearest words in the corpus. | %.3f | YES | NO | YES | YES | YES |

nCohPho | N phonological cohort | The number of words beginning with the same phonological syllable (or a minimum of two phonemes) | %i | YES | NO | YES | YES | YES |

mCohFreqPho | F (sum) phonological cohort | The total frequency of all words beginning with the same phonological syllable (or a minimum of two phonemes) | %.2f | YES | NO | YES | YES | YES |

nCohSpe | N orthographic cohort | The number of words beginning with the same orthographic syllable (or a minimum of two letters) | %i | YES | NO | YES | YES | YES |

mCohFreqSpe | F (sum) orthographic cohort | The total frequency of all words beginning with the same orthographic syllable (or a minimum of two letters) | %.2f | YES | NO | YES | YES | YES |

nStrNeiPho | N phonological stress neighbors | The number of words with the same phonemes from the stressed vowel through the end | %i | YES | NO | YES | YES | YES |

nStrNeiSpe | N orthographic stress neighbors | The number of words with the same graphemes from the stressed vowel through the end | %i | YES | NO | YES | YES | YES |

StrNeiFreqPho | F (sum) phonological stress neighbors | The total frequency of all words with the same phonemes from the stressed vowel through the end. | %.2f | YES | NO | YES | YES | YES |

StrNeiFreqSpe | F (sum) orthographic stress neighbors | The total frequency of all words with the same graphemes from the stressed vowel through the end. | %.2f | YES | NO | YES | YES | YES |

PGalign | Phoneme-grapheme alignment | A set of phoneme-grapheme pairs | %s | NO | YES | NO | NO | NO |

Syllables | Syllables | A segmentation of the phoneme string into syllabic substrings | %s | NO | YES | NO | NO | NO |

SylAlign | Syllable alignment | A list of pairs matching phoneme and letter substrings at the syllable level | %s | NO | YES | NO | NO | NO |

LastDevPho | Last phonological cohort competitor | A left-to-right maximally-matching item; that is, a word with the largest identical phoneme sequence, starting from the beginning | %s | NO | YES | NO | NO | NO |

LastDevSpe | Last orthographic cohort competitor | A left-to-right maximally-matching item; that is, a word with the largest identical letter sequence, starting from the beginning | %s | NO | YES | NO | NO | NO |

SylFreqTok | Syllable token frequencies | The frequency of occurrence of each syllable (regardless of position) of this word in the selected corpus, per million syllables (tokens). | %s | NO | YES | NO | NO | NO |

SylFreqTyp | Syllable type frequencies | The frequency of occurrence of each syllable (regardless of position) of this word in the selected corpus, per million syllables (types). | %s | NO | YES | NO | NO | NO |

NeiPho | Phonological neighbors | A set of words equal in number of phonemes to the source word that differ by it in exactly one phoneme | %s | NO | YES | NO | NO | NO |

NeiSpe | Orthographic neighbors | A set of words equal in number of letters to the source word that differ by it in exactly one letter | %s | NO | YES | NO | NO | NO |

NeiRDITPho | Phonological neighbors (replace,delete,insert,transpose) | A set of words that differ from the source word by a single phoneme replacement, insertion, deletion or transposition. | %s | NO | YES | NO | NO | NO |

NeiRDITSpe | Orthographic neighbors (replace,delete,insert,transpose) | A set of words that differ from the source word by a single letter replacement, insertion, deletion or transposition. | %s | NO | YES | NO | NO | NO |

CohPho | Phonological cohort | A set of words that begin with the same initial syllable (phoneme substring) as the source word | %s | NO | YES | NO | NO | NO |

CohSpe | Orthographic cohort | A set of words that begin with the same initial syllable (letter substring) as the source word | %s | NO | YES | NO | NO | NO |

StrNeiPho | Phonological stress neighborhood | A set of words matching the source word in stress position and in all phonemes from the stressed vowel through the end | %s | NO | YES | NO | NO | NO |

StrNeiSpe | Orthographic stress neighborhood | A set of words matching the source word in stress position and in all letter from the stressed grapheme through the end | %s | NO | YES | NO | NO | NO |

OLD20set | Nearest 20 orthographic Levenshtein distance neighbors | The 20 items in the corpus with the shortest edit distances over letters (minimal orthographic Levenshtein distance neighbors) | %s | NO | YES | NO | NO | NO |

PLD20set | Nearest 20 phonological Levenshtein distance neighbors | The 20 items in the corpus with the shortest edit distances over phonemes (min. phonological Levenshtein distance neighbors) | %s | NO | YES | NO | NO | NO |

mSGprobTyp | Nondirectional grapheme-phoneme type probability (logmean) | The logarithmic mean of type "sonograph" probabilities, ie, ratios of specific grapheme-phoneme types over the total number of grapheme-phoneme types. Multiplied by 1000 for readability. | %.3f | YES | NO | YES | YES | YES |

mSGprobTok | Nondirectional grapheme-phoneme token probability (logmean) | The logarithmic mean of token "sonograph" probabilities, ie, ratios of specific grapheme-phoneme tokens over the total number of grapheme-phoneme tokens. Multiplied by 1000 for readability. | %.3f | YES | NO | YES | YES | YES |

mPGprobTyp | Type phonographemic probability (logmean) | The logarithmic mean of type phoneme-grapheme (directional) probability, ie, the ratio of specific phoneme-grapheme types over all types of this phoneme, divided by the total number of phonemes. Multiplied by 1000 for readability. | %.3f | YES | NO | YES | YES | YES |

mPGprobTok | Token phonographemic probability (logmean) | The logarithmic mean of token phoneme-grapheme (directional) probability, ie, the ratio of specific phoneme-grapheme tokens over all tokens of this phoneme, divided by the total number of phonemes. Multiplied by 1000 for readability. | %.3f | YES | NO | YES | YES | YES |

mGPprobTyp | Type graphophonemic probability (logmean) | The logarithmic mean of type grapheme-phoneme (directional) probability, ie, the ratio of specific grapheme-phoneme types over all types of this grapheme, divided by the total number of graphemes. Multiplied by 1000 for readability. | %.3f | YES | NO | YES | YES | YES |

mGPprobTok | Token graphophonemic probability (logmean) | The logarithmic mean of token grapheme-phoneme (directional) probability, ie, the ratio of specific grapheme-phoneme tokens over all tokens of this grapheme, divided by the total number of graphemes. Multiplied by 1000 for readability. | %.3f | YES | NO | YES | YES | YES |

minSGprobTyp | Minimum nondirectional grapheme-phoneme type probability | The minimum type "sonograph" probability, per 1000. | %.5f | YES | NO | YES | YES | YES |

minSGprobTok | Minimum nondirectional grapheme-phoneme token probability | The minimum token "sonograph" probability, per 1000. | %.5f | YES | NO | YES | YES | YES |

minPGprobTyp | Minimum type phonographemic probability | The minimum type phoneme-grapheme probability, per 1000. | %.5f | YES | NO | YES | YES | YES |

minPGprobTok | Minimum token phonographemic probability | The minimum token phoneme-grapheme probability, per 1000. | %.5f | YES | NO | YES | YES | YES |

minGPprobTyp | Minimum type graphophonemic probability | The minimum type grapheme-phoneme probability, per 1000. | %.5f | YES | NO | YES | YES | YES |

minGPprobTok | Minimum token graphophonemic probability | The minimum token grapheme-phoneme probability, per 1000. | %.5f | YES | NO | YES | YES | YES |