The phrase "alone indicates that" is correct and usable in written English.
It can be used when discussing a situation where something by itself is sufficient to suggest or imply a particular conclusion or meaning.
Example: "The data alone indicates that there is a significant correlation between the two variables."
Alternatives: "by itself suggests that" or "on its own implies that".
Williams, a genuine authority, believes the number of black starters, alone, indicates that the N.F.L. has reached the point where "nobody is going to pass up a guy who can play" based on skin color.
WorldCom's share price alone indicates that the market believes bankruptcy is a live prospect.
This alone indicates that this law is in need of serious reform to protect the privacy of American citizens; those citizens deserve to understand what information the NSA is collecting from them.
For example, examining remote-sensing data alone indicates that the rate of severe disturbance (timber harvest) peaked during the 20-year analysis period, and has declined in recent years.
This fact alone indicates that the consulate was primarily diplomatic cover for an intelligence operation that was known to Libyan militia groups.
In 2015, an appeal to maintain the order that prevailed 70 years ago through military force alone indicates that Rubio can't adapt to the world as it is today, or indeed even recognize it.
VGC alone indicated that optimised protocols had similar image quality as current protocols.
Examination of vapour pressures alone indicated that potentially the first 7 of the target pesticides listed (camphor – HCH) could be trapped onto Tenax from the vapour phase.
Figure 8b also illustrates the detection of S1 and S19 and shows that the fluorescence intensity of S1 and S19 were not different from B. melitensis 16M alone, indicating that the method cannot recognize the intraspecies well.
As evident in the contour plot (Fig. 5) the lower portion of the spectra was sparse post addition of rivaroxaban compared to BSA alone indicating that there was conformation change BSA post rivaroxaban addition.
Normalizing total energy potential to the methane potential alone indicated that at a C N ratio of 17, the energy output was greater for the ADBH system than from anaerobic digestion generating only methane.
