Manned space flight is costly and dangerous. Moreover, the recent success of a series of unmanned space probes and satellites has demonstrated that a great deal of useful information can be gathered without the costs and risks associated with sending men

Grammar and spelling errors:
Line 3, column 236, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Also,
...n unmanned space flight costs the same. Also stated is the fact that it dangerous. H...
^^^^
Line 7, column 603, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Thus,
...ed or not, would be incapable of doing. Thus they would provide unique information w...
^^^^

Transition Words or Phrases used:
also, however, if, look, regarding, so, then, thus, as to, kind of

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 35.0 19.6327345309 178% => OK
Auxiliary verbs: 13.0 12.9520958084 100% => OK
Conjunction : 10.0 11.1786427146 89% => OK
Relative clauses : 13.0 13.6137724551 95% => OK
Pronoun: 34.0 28.8173652695 118% => OK
Preposition: 40.0 55.5748502994 72% => OK
Nominalization: 18.0 16.3942115768 110% => OK

Performance on vocabulary words:
No of characters: 2078.0 2260.96107784 92% => OK
No of words: 410.0 441.139720559 93% => More content wanted.
Chars per words: 5.06829268293 5.12650576532 99% => OK
Fourth root words length: 4.49982852243 4.56307096286 99% => OK
Word Length SD: 2.6958182524 2.78398813304 97% => OK
Unique words: 177.0 204.123752495 87% => More unique words wanted.
Unique words percentage: 0.431707317073 0.468620217663 92% => More unique words wanted or less content wanted.
syllable_count: 645.3 705.55239521 91% => OK
avg_syllables_per_word: 1.6 1.59920159681 100% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 11.0 4.96107784431 222% => Less pronouns wanted as sentence beginning.
Article: 7.0 8.76447105788 80% => OK
Subordination: 4.0 2.70958083832 148% => OK
Conjunction: 0.0 1.67365269461 0% => OK
Preposition: 0.0 4.22255489022 0% => More preposition wanted as sentence beginning.

Performance on sentences:
How many sentences: 24.0 19.7664670659 121% => OK
Sentence length: 17.0 22.8473053892 74% => The Avg. Sentence Length is relatively short.
Sentence length SD: 38.5594778665 57.8364921388 67% => OK
Chars per sentence: 86.5833333333 119.503703932 72% => OK
Words per sentence: 17.0833333333 23.324526521 73% => OK
Discourse Markers: 2.75 5.70786347227 48% => More transition words/phrases wanted.
Paragraphs: 5.0 5.15768463074 97% => OK
Language errors: 2.0 5.25449101796 38% => OK
Sentences with positive sentiment : 7.0 8.20758483034 85% => OK
Sentences with negative sentiment : 12.0 6.88822355289 174% => OK
Sentences with neutral sentiment: 5.0 4.67664670659 107% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.395011144372 0.218282227539 181% => OK
Sentence topic coherence: 0.119449926833 0.0743258471296 161% => OK
Sentence topic coherence SD: 0.0907530953312 0.0701772020484 129% => OK
Paragraph topic coherence: 0.198399843409 0.128457276422 154% => OK
Paragraph topic coherence SD: 0.0761792983025 0.0628817314937 121% => OK

Essay readability:
automated_readability_index: 11.0 14.3799401198 76% => Automated_readability_index is low.
flesch_reading_ease: 54.22 48.3550499002 112% => OK
smog_index: 3.1 7.1628742515 43% => Smog_index is low.
flesch_kincaid_grade: 9.9 12.197005988 81% => OK
coleman_liau_index: 11.83 12.5979740519 94% => OK
dale_chall_readability_score: 7.79 8.32208582834 94% => OK
difficult_words: 86.0 98.500998004 87% => OK
linsear_write_formula: 6.0 12.3882235529 48% => Linsear_write_formula is low.
gunning_fog: 8.8 11.1389221557 79% => OK
text_standard: 10.0 11.9071856287 84% => OK
What are above readability scores?

---------------------

Rates: 58.33 out of 100
Scores by essay e-grader: 3.5 Out of 6
---------------------
Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.

Sentence: The argument that we should not look to manned space flight as a viable method for space exploration and invest in unmanned splace flight is based on flawed assumptions.
Error: splace Suggestion: No alternate word

Sentence: Unless details regarding similar accomplishments are provided, we cannot say with assurance that the conlusion is warranted.
Error: conlusion Suggestion: confusion

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examples:
https://www.testbig.com/gmatgre-essays/following-opinion-was-provided-l…

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Attribute Value Ideal
Final score: 3.0 out of 6
Category: Satisfactory Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 2 2
No. of Sentences: 24 15
No. of Words: 410 350
No. of Characters: 2028 1500
No. of Different Words: 169 200
Fourth Root of Number of Words: 4.5 4.7
Average Word Length: 4.946 4.6
Word Length SD: 2.603 2.4
No. of Words greater than 5 chars: 165 100
No. of Words greater than 6 chars: 107 80
No. of Words greater than 7 chars: 77 40
No. of Words greater than 8 chars: 42 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 17.083 21.0
Sentence Length SD: 6.191 7.5
Use of Discourse Markers (%): 0.458 0.12
Sentence-Text Coherence: 0.315 0.35
Sentence-Para Coherence: 0.535 0.50
Sentence-Sentence Coherence: 0.144 0.07
Number of Paragraphs: 5 5